ESR rheumatoid arthritis

Erythrocyte sedimentation rate and C-reactive protein

  1. e the patterns and correlation of elevated erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) levels with outcome measures in rheumatoid arthritis (RA), and compare it to systemic lupus erythematosus (SLE) and osteoarthritis (OA) patients
  2. An elevated erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and/or positive rheumatoid factor (RF) test support a diagnosis of rheumatoid arthritis (RA). ESR ≥ 28 mm/h and/or abnormal CRP are frequent inclusion criteria for RA clinical trials 1
  3. [Assessment of erythrocyte sedimentation rate (ESR) and C- reactive protein (CRP) on rheumatoid arthritis activity prediction] The significant correlation between DAS-ESR and DAS-CRP, indicated that it will not be necessary to perform both evaluations
  4. The ESR traditionally has been a diagnostic parameter for rheumatoid arthritis, but it is used as a means of staging the disease rather than as one of the major diagnostic criteria.3, 13 The.
  5. Rheumatoid arthritis (RA) is a chronic autoimmune disease that primarily affects the joints, but can affect other parts of the body. Diagnosing and managing RA involves clinical evaluation by a rheumatologist, as well as several different laboratory tests that require blood work. The results of these tests may be used in two ways
  6. Sed rate, or erythrocyte sedimentation rate (ESR), is a blood test that can reveal inflammatory activity in your body. A sed rate test isn't a stand-alone diagnostic tool, but it can help your doctor diagnose or monitor the progress of an inflammatory disease
  7. An ESR blood test can show if you have inflammation, which may be caused by an autoimmune condition like rheumatoid arthritis. However, an erythrocyte sedimentation rate does not provide a definitive diagnosis for RA because other conditions can cause inflammation in the body. 6 

Symptoms like persistent joint pain or stiffness, headache, weight loss, anemia, pain in your neck or shoulder, or loss of appetite, are associated with rheumatoid arthritis (an autoimmune disease that occurs when your immune system attacks your joints), systemic vasculitis (a condition in which your blood vessels are inflamed), polymyalgia rheumatica (causes muscle pain and stiffness), and temporal (giant cell) arteritis (inflammation in the lining of certain arteries in the head and neck). 3 Seronegative rheumatoid arthritis is the diagnosis of rheumatoid arthritis without the presence of certain antibodies in the patient's blood. It is one of two main types of rheumatoid arthritis diagnoses Normal Esr Levels Rheumatoid Arthritis Methotrexate: a folate analogue with anti-inflammatory properties linked to inhibition of neovascularization therapeutic effects increased when combined with. Mar 16, 2014 · Rheumatoid factor (RF) is used in the diagnosis of rheumatoid arthritis (RA) Erythrocyte sedimentation rate (ESR) is a test that measures how quickly erythrocytes (red blood cells) fall through plasma (the colorless fluid part of the blood). This is known as a sedimentation rate. 9 A faster-than-normal ESR is a sign of inflammation in the body

People with rheumatoid arthritis often have an elevated erythrocyte sedimentation rate (ESR, also known as sed rate) or C-reactive protein (CRP) level, which may indicate the presence of an inflammatory process in the body. Other common blood tests look for rheumatoid factor and anti-cyclic citrullinated peptide (anti-CCP) antibodies The Age-Adjustment Calculator for ESR and CRP calculates age-adjusted ESR and CRP in patients with late-onset and younger-onset rheumatoid arthritis. This is an unprecedented time. It is the dedication of healthcare workers that will lead us through this crisis

Erythrocyte Sedimentation Rate, C-Reactive Protein, or

  1. Aug 9, 2017. People with rheumatoid arthritis often have an elevated erythrocyte sedimentation rate (ESR, or sed rate) or C-reactive protein (CRP), which may indicate the presence of an inflammatory process in the body. Other common blood tests look for rheumatoid factor and anti-cyclic citrullinated peptide (anti- CCP)
  2. Erythrocyte sedimentation rate (ESR, or sed rate) and C-reactive protein (CRP) levels are markers for inflammation. A high ESR or CRP combined with other clues to RA helps make the diagnosis. Rheumatoid factor (RF) is an antibody found (eventually) in about 80 percent of people with RA
  3. Doctors also use the ESR test to monitor how conditions, such as those below, are progressing or responding to treatment. rheumatoid arthritis, an autoimmune condition that causes inflammation in..
  4. Chronic Arthritis Systemic Index (CASI) [21,22] and the Mean Overall Index for RA (MOI-RA) [23]. All of the abovementioned indices include Box 1. ACR improvement criteria for use in rheumatoid arthritis. Tender joint count Swollen joint count Acute-phase reactant (ESR or CRP) Patient assessment of pai
  5. Rheumatoid arthritis (RA) is a type of arthritis that can affect anyone at any age. However, it's more common in women and often first appears in middle age. Like other types of arthritis, RA..

[Assessment of erythrocyte sedimentation rate (ESR) and C

  1. Rheumatoid arthritis (RA) is an autoimmune disorder of the joints characterized by inflammatory arthritis as well as extra-articular involvement. It commonly involves multiple joints of both hands with morning stiffness that may last for several hours
  2. Arthritis is simply a term for joint inflammation. Unlike osteoarthritis, where the joint inflammation is caused by joint tissue breaking down over time, rheumatoid arthritis is an autoimmune condition where otherwise healthy joint tissue is attacked by the immune system. What Causes Rheumatoid Arthritis
  3. Among patients with newly diagnosed rheumatoid arthritis (RA), Disease Activity Score 28-joint count (DAS28) characterized using C-reactive protein (CRP) values are lower than the corresponding score using erythrocyte sedimentation rate (ESR) values, both at baseline high disease activity and post-treatment, according to study results published in ACR Open Rheumatology
  4. Your doctor will use several blood tests to help diagnose you with rheumatoid arthritis (RA) and other inflammatory conditions. Blood tests are usually fast. The doctor sends you to a lab where a..

Clinical Utility of the Erythrocyte Sedimentation Rate

Understanding Rheumatoid Arthritis Lab Tests and Result

An elevated sedimentation rate could mean anything from psoriatic arthritis or cancer to pneumonia or tooth pain. In one study on sepsis arthritis, for instance, the specificity was just 11 percent, which means that only 11 percent of people without the disease would be expected to test negative. What Diseases Does the ESR Test Help Diagnose C-reactive protein is considered a better marker of disease activity in other autoimmune diseases such as polymyalgia rheumatica and giant cell arteritis, despite the erythrocyte sedimentation rate also being elevated in most of these conditions. 4 Patients with rheumatoid arthritis show considerable variation in erythrocyte sedimentation rate.

Sed rate (erythrocyte sedimentation rate) - Mayo Clini

ESR values tend to correlate with disease activity in rheumatoid arthritis and may be useful for monitoring therapeutic response. Serum rheumatologic tests are generally most useful for confirming. Rheumatoid arthritis (RA) is an inflammatory rheumatic disease with progressive course affecting articular and extra-articular structures resulting in pain, disability and mortality ().Persistent inflammation leads to erosive joint damage and functional impairment in the vast majority of patients (2, 3).The onset of disease is not similar in all patients but varies in regard to type, number. RF. ESR. Anti-CCP. ANA. CPR. No, these aren't codes used by secret agents to communicate their missions. They're names of blood tests used in diagnosing and managing rheumatoid arthritis.When. The blood test done in cases suspected of rheumatoid arthritis are rheumatoid factor, Anti - cyclic citrullinated peptide (anti - CCP), ESR and c - reactive protein (CRP). Other tests include X-Ray and MRI of affected joints which are done to rule out the severity of the disease

Rheumatoid Arthritis: Blood Tests for Diagnosi

The DAS28 ESR calculator is based on the original DAS28 rheumatoid arthritis disease activity score but instead of C-reactive protein, the erythrocyte sedimentation rate is used as marker of inflammation. The other three criteria remain the same (count of tender and swollen joints and general health assessment) Higher DAS28-ESR was associated with worse mental health, as measured by BDI (depression) or STAI-SF (anxiety), or SF36 Mental Health Score (distress; Table 3A).Higher DAS28-ESR was also associated with worse fatigue/lower vitality in each group (Table 3B).Associations with worse mental health or fatigue were stronger for VAS-GH and TJC than for SJC and ESR, and more consistently significant.

Erythrocyte Sedimentation Rate Uses, Procedure, Result

Rheumatoid Arthritis is diagnosed using RF test and Anti-CCP test preliminary , Other tests which they are (ESR, CRP, and CBC) are used to indicate that the body in an inflammation status, also they assess in follow up in the treatment course According to the Arthritis Foundation, rheumatoid arthritis (RA) and osteoarthritis (OA) Individuals with RA tend to have an elevated erythrocyte sedimentation rate (ESR, or sed rate) and/ or a high C-reactive protein (CRP) level. Both of these markers indicate the presence of an inflammatory process in the body The analysis also revealed that high ESR and CRP levels prescribed in patients of arthritis and, indicative of persistent inflammation of joints, were more commonly found in the East zone. Rheumatoid arthritis tends to target the small joints of the hands, wrists and feet. Therefore, which joints are symptomatic can be a big clue as to which type of arthritis you have. Rheumatoid arthritis affects more than 2 million Americans, mostly women. Here you'll find in-depth rheumatoid arthritis information including its causes, symptoms, treatments, and pain relief.

IgA; rheumatoid arthritis; The dominant antibody at mucous membranes and in exocrine secretions is IgA. It has been implicated in the pathogenesis of rheumatoid arthritis (RA), possibly due to immune complex formation. 1, 2 If IgA is important in RA pathogenesis one might predict that patients with abnormal levels would have different characteristics from the normal IgA population Background In most patients with rheumatoid arthritis (RA), Disease Activity Score 28-joint count C reactive protein (DAS28-CRP) is lower than DAS28 erythrocyte sedimentation rate (DAS28-ESR), suggesting that use of the DAS28-ESR cut-off to assess high disease activity (HDA) with DAS28-CRP may underestimate the number of patients with HDA. We determined the DAS28-CRP value corresponding to the. The formula used in the DAS28 ESR for rheumatoid arthritis calculator is the following: DAS28-ESR = 0.56 x sqrt (TJc) + 0.28 x sqrt (SJc) + 0.70 x ln (ESR) + 0.014 x GH. The 28 joints evaluated in the score are: Knees (2). There is another method, the DAS28-CRP with the same usage in rheumatoid arthritis monitoring, but using a different blood. Rheumatoid arthritis (RA) is a symmetric, inflammatory, peripheral polyarthritis of unknown etiology. It typically leads to deformity through the stretching of tendons and ligaments and destruction of joints through the erosion of cartilage and bone. If it is untreated or unresponsive to therapy, inflammation and joint destruction lead to loss. #ESR#Erythrocytic Sedimentation Rate

ESR test: Procedure, results, and risks

As far as we know, there have not been any studies comparing DAS28-CRP and DAS28-ESR in the Turkish rheumatoid arthritis (RA) population. In this study, our aim was to evaluate the agreement between DAS28-CRP and DAS28-ESR in a group of patients with RA who were followed-up in our outpatient clinic from conditions that present with arthritis because they are positive less often in many non-RA conditions, such as OA. These markers may also alert clinicians to the coexistence of RA in a patient with OA. C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR) are serological acute-phase markers of inflammatio Despite questions regarding its validity as an estimator of inflammatory disease activity, monitoring of the erythrocyte sedimentation rate (ESR) continues to be routine practice among pediatric rheumatologists caring for children with juvenile rheumatoid arthritis (JRA). We studied a large group of patients with JRA in order to determine the degree of correlation between clinically apparent.

Why look at rheumatoid arthritis CRP levels? C-reactive protein, commonly called CRP, is a protein that can be produced by the liver in response to other immune activity, especially the increase of IL-6.CRP can rise quickly in response to many inflammatory conditions such as infections or injury, helping clear out dying cells or bacteria Through comparisons of change in DAS28-ESR score, disease severity, and EULAR response, investigators sought to determine the efficacy of prednisone monotherapy in doses of less than 10 mg per day in patients with newly diagnosed rheumatoid arthritis What is Rheumatoid Arthritis? Rheumatoid arthritis (RA) is an autoimmune disease in which the body's immune system - which normally protects its health by attacking foreign substances like bacteria and viruses - mistakenly attacks the joints. This creates inflammation that causes the tissue that lines the inside of joints (the synovium) to thicken, resulting in swelling and pain in and. ESR is elevated in rheumatoid hip joint disease, osteoarthritis of hip joint and psoriatic hip joint arthritis. Non-Specific Blood Test to Rule Out Other Inflammatory Hip Joint Diseases ANA blood test - ANA is a non-specific antibody test, which is often positive as in all autoimmune disease Rheumatoid Arthritis (RA): A common inflammatory form of arthritis that causes pain and swelling of the joints and other organs in the body, such as the lungs and skin. In RA, the immune system attacks healthy tissues, specifically the lining of the joints, causing inflammation and joint damage

Rheumatoid Arthritis. Rheumatoid arthritis (RA) is a long-term autoimmune disorder that causes the immune system to attack healthy tissues in joints such as the hands, wrists, feet, spine, knees and jaw. RA is a progressive disease that usually affects joints on both sides of the body. By Michelle Llamas DAS28-CRP for rheumatoid arthritis. This is a tool used in routine assessments of RA disease activity and represents the modified version of the original DAS for rheumatoid arthritis. The difference between the two is that the modified replaces the erythrocyte sedimentation rate (ESR) with the C-reactive protein (tuberculous arthritis); (ii) increased E.S.R. (tuberculosis a nd rheumatoid arthritis ); (iii) W.R. Loose bodies of the knee joint.- This itself forms a chapter and there are numerous causes point on the femoral condyle. This results in transverse fracture of the patella which is forced ligament. Tenderness at the joint level midway between the ligam entum patellae and the tibial (forearm. Key Difference - Polymyalgia Rheumatica vs Rheumatoid Arthritis. Polymyalgia rheumatica and rheumatoid arthritis are two diseases that have a similar presentation. Polymyalgia rheumatica (PMR) is a systemic illness of the elderly people which is associated with the finding of a giant cell arteritis on temporal artery biopsy Rheumatoid arthritis (RA) is the most prevalent form of inflammatory arthritis, with a prevalence of 0.5 - 1% around the world. 1,2 This disease can ESR) and mental component of quality of life (SF-36 MCS), a plot was made based on the distribution of data from these tw

Arthritis Chikungunya High Protein Reactive C

Tuberculous arthritis ii increased esr tuberculosis a. (tuberculous arthritis); (ii) increased E.S.R. (tuberculosis a nd rheumatoid arthritis ); (iii) W.R. discussed in page no. 199. (ii) The distances between the medial malleolus to the head of the Scar, sinus, ulcer and deformities of the joint ar e the late features of tuberculous arthritis ating disease activity in rheumatoid arthritis (RA). Laboratory tests such as the erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) have been an integral part of the clini-cians repertoire for many years, used as markers of inflammation, although there is still no clear consensus on when to use one, the other, or both The process starts with a health history and a physical exam. Diagnosis can be difficult. This is because there are no specific tests that can confirm the condition. Some blood tests may be done to rule out other conditions, such as rheumatoid arthritis and lupus. Other tests may include: Erythrocyte sedimentation rate (ESR or sed rate) Rheumatoid arthritis (RA) classically presents as a symmetrical arthritis, although a single large joint synovitis may be the initial presenting symptom. Both CRP and ESR are non-specific.

Seronegative RA: What are the Symptoms of Seronegative RA

5) Rheumatoid Arthritis Progression. Rheumatoid arthritis (RA) is an autoimmune disease. It causes pain, stiffness, and swelling in joints. Increased ESR often suggests active RA or disease progression [60, 61, 62].. In a 25-year study on almost 1,900 rheumatoid arthritis patients, 64% of the patients had ESR levels higher than normal [].In multiple studies with 373 people with a 2-year study. Erythrocyte sedimentation rate (ESR, or sed rate) blood test: Normal C-reactive protein (CRP) blood test: Normal: 0: ESR: Abnormal CRP: Abnormal: 1: D. Duration of Symptoms How long the patient reports symptoms of rheumatoid arthritis (pain, tenderness and swelling of any joint)

Normal Esr Levels Rheumatoid Arthriti

There were no focal neurologic abnormalities. Laboratory data for ESR and CRP were normal; she also had a normal complete blood count and a normal chemistry profile, other than elevated cholesterol (304 mg/dL). The patient fit the category of long-standing rheumatoid arthritis, which seemed to be inactive This may or may not be applicable to you. I apologise if I am wrong. Do note that high ESR rate could also be an early symptom of certain cancers or auto immune disease. Last year, I developed rapid onset of rheumatoid arthritis which is an auto immune disease Erythrocyte sedimentation rate (ESR), which measures the rate at which red blood cells settle in a test tube (a fast rate indicates higher inflammation) Because rheumatoid arthritis is a. Migratory Rheumatoid Arthritis - Diagnosis & Treatment. Your doctor will perform physical examination, evaluate your medical history, order some blood tests (i.e. Erythrocyte sedimentation rate or ESR, rheumatoid factor or RF and anti-cyclic citrullinated peptide or anti-CCP antibodies) in order to confirm the diagnosis

Polymyalgia rheumatica, an inflammatory disease most commonly seen in older adults, usually causes pain and stiffness in the shoulders and upper back and/or the hip area. Polymyalgia rheumatica (PMR) is an inflammatory disorder that causes widespread aching, stiffness and flu-like symptoms. It is. Other blood tests commonly used prior to diagnosis include ESR and CRP, which measure the amount of inflammation in the joints. For more information on blood tests, please see our article: 'Laboratory tests used in the diagnosis and monitoring of rheumatoid arthritis.'

ESR can sometimes be useful in diagnosing diseases, such as multiple myeloma, temporal arteritis, polymyalgia rheumatica, various auto-immune diseases, systemic lupus erythematosus, rheumatoid arthritis, inflammatory bowel disease and chronic kidney diseases. In many of these cases, the ESR may exceed 100 mm/hour Rheumatoid Arthritis. Rheumatoid Arthritis (RA) is a chronic (long-term) condition that causes pain, swelling, and stiffness in the joints. It is a systemic rheumatic disease, which means that the disease can affect the entire body.. It is one of the most common types of inflammatory arthritis and is estimated to affect 1% of the population ESR, or erythrocyte sedimentation rate, or just 'sed rate'. The test is non-specific, when elevated it shows that there is inflammation in the body. It could be from cancer, pregnancy or, you guessed it, Rheumatoid Arthritis, or any number of other reasons Group II consisted of patients in whom ESR and C-reactive protein (CRP) fell to <30 mm/h and <20 mg/l. respectively, and remained at these levels between 6 and 12 months In group IV the ESR and CRP fell but remained >30 and >20. respectively, during the same period The Arthritis Comprehensive Panel with RF (Rheumatoid Factor) and ANA (Antinuclear Antibody) is a package specifically designed to evaluate inflammation and may be used to assist in the diagnosis of rheumatoid arthritis. Turnaround time for the Arthritis Comprehensive Panel with RF and ANA is typically 1-3 business days

Healing of erosions in rheumatoid arthritis | Annals of

Blood Tests for Rheumatoid Arthritis (RA) Diagnosi

Erythrocyte Sedimentation Rate, C-Reactive Protein, or Rheumatoid Factor Are Normal at Presentation in 35%-45% of Patients with Rheumatoid Arthritis Seen Between 1980 and 2004: Analyses from Finland and the United States. Objective: To analyze erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and rheumatoid factor (RF) tests in. CRP is not affected by as many other factors as the PV or ESR, making it a better marker of some types of inflammation. PV, however, is more sensitive and more specific than either ESR or CRP when monitoring the activity of rheumatoid arthritis. ESR, CRP and PV can be raised in many inflammatory conditions - for example Answer. You most likely do have rheumatoid arthritis. In 2010, new diagnostic criteria were established. A point system is used; with the points awarded for which joints are affected, elevated and ESR, positive rheumatoid factor and Anti-CCP. People suspected of having RA do not have to have points in all areas Diagnostic criteria. Based on 2010 American College of Rheumatology criteria. Four criteria added together, score ≥6 is suggestive of rheumatoid arthritis. A - joint involvement (any swollen or tender joint on examination) 1 large joint - 0. 2 - 10 large joints - 1. 1 - 3 small joints - 2. 4 - 10 small joints (± large joints.

Rheumatoid Arthritis - Rheumatology - Medbullets Step 2/3

Symptoms of rheumatoid arthritis include pain and swelling, stiffness of the joints, general tiredness, rheumatoid nodules (1 in every 5 people diagnosed with RA). Diagnosis is usually put through blood tests as CRP and ESR to evidence inflammation, x-rays to evidence damage to the joints and MRI scans in early diagnosis Erythrocyte sedimentation rate (ESR) Rheumatoid factor (RF) assay; Anti−cyclic citrullinated peptide (ACCP) and anti−mutated citrullinated vimentin (AMCV) assays; No laboratory tests are specific for rheumatoid arthritis, but the presence of ACPA and RF increases the likelihood of rheumatoid arthritis as the diagnosis. Treatmen

Rheumatoid arthritis - Diagnosis and treatment - Mayo Clini

3. Discussion. This entity has already been described before [].Myelofibrosis is a myeloproliferative syndrome which may be idiopathic or associated with autoimmune diseases such as systemic lupus erythematosus [], Sjögren's syndrome [3, 4], progressive systemic sclerosis [], and rheumatoid arthritis [6-8].In case of primary myelofibrosis, seronegative arthritis may be associated [] Typical trials of novel agents to treat rheumatoid arthritis have required an erythrocyte sedimentation rate (ESR) of 28 mm/hr or a C-reactive protein (CRP) level of 15 mg/L or higher, or perhaps. Session Title: Rheumatoid Arthritis - Human Etiology and Pathogenesis Session Type: Abstract Submissions (ACR) Background/Purpose: It has previously been demonstrated that the ESR and CRP correlate in patients with RA but with a high degree of variability

Bilateral TMJ Involvement in Rheumatoid Arthritis

Age-Adjusted ESR/CRP for Rheumatoid Arthritis - MDCal

The Disease Activity Score (DAS) in rheumatoid arthritis (RA) involving 28 joints and using erythrocyte stimulation rate (ESR) is used frequently. But the inability of DAS 28 ESR to reflect short-term changes in disease activity has given rise to DAS 28 using C-reactive protein (CRP) My Rheumatoid Arthritis Test Was Negative, But I Still Had RA. Teresa Shaffer, 46, of Morgantown, W. Va., had a history of chronic pain going back to an osteoarthritis diagnosis in her 20s. An Easy to Use Rheumatoid Arthritis DAS28 Calculator (DAS 28) that also allows you to record swollen and tender joints and to print out the mannequin and store it in the Patient's file or chart Decimal places in the CRP or ESR result are taken into account by the calculation. The tools from the referenced Nijmegen university web site.

Sternoclavicular Arthritis as a Clinical Presentation forGet Lowest ESR Test Cost at $37 | Book Online NowRheumatoid arthritis current diagnosis and treatment

Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects joints. It typically results in warm, swollen, and painful joints. Pain and stiffness often worsen following rest. Most commonly, the wrist and hands are involved, with the same joints typically involved on both sides of the body. The disease may also affect other parts of the body, including skin, eyes, lungs. Background: In most patients with rheumatoid arthritis (RA), Disease Activity Score 28-joint count C reactive protein (DAS28-CRP) is lower than DAS28 erythrocyte sedimentation rate (DAS28-ESR), suggesting that use of the DAS28-ESR cut-off to assess high disease activity (HDA) with DAS28-CRP may underestimate the number of patients with HDA Rheumatoid Arthritis Diagnostic Tests Market, By Test Type (Serology Test (Erythrocyte Sedimentation Rate (ESR), Rheumatoid Factor (RF), Anti-cyclic Citrullinated Peptide (anti-CCP), Antinuclear Antibody (ANA), Uric Acid, Other Tests), Monitoring RA Treatment Efficiency Tests (Salicylate Level Count, Muscle Enzyme Tests (CPK, Aldolase), Creatinine Test)), By End User (Diagnostic Laboratories. Rheumatoid arthritis and polymyalgia rheumatica are the two most common systemic rheumatic diseases in adults. Polymyalgia rheumatica (PMR) occurs exclusively in people over the age of 50 years, in contrast to rheumatoid arthritis (RA) with typical onset between 30 and 50 years of age Objective . To validate the agreement between the 28-joint disease activity score based on erythrocyte sedimentation rate (DAS28-ESR) and the 28-joint disease activity score based on C-reactive protein (DAS28-CRP) in a group of Danish patients with rheumatoid arthritis (RA). Methods . Data from 109 Danish RA patients initiating biologic treatment were analysed at baseline and following one. Validation of the 28-joint Disease Activity Score (DAS28) and European League Against Rheumatism response criteria based on C-reactive protein against disease progression in patients with rheumatoid arthritis, and comparison with the DAS28 based on erythrocyte sedimentation rate