Evidence map›Paper›PMID 18234714›Full record

ArticleAnnals of the rheumatic diseases2008

Anti-cyclic citrullinated peptide revised criteria for the classification of rheumatoid arthritis.

K P Liao, K L Batra, L Chibnik, P H Schur, K H Costenbader

Abstract readEvaluation Study
In one paragraph

Article in Annals of the rheumatic diseases, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

21 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Preclinical evaluation and pilot clinical study of [European journal of nuclear medicine and molecular imaging · 2022
    Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. RF vs. anti-CCP: competitor or companion?Rheumatology international · 2011
    Article
  12. Article
  13. Article
  14. Review
  15. Article
  16. Review
  17. Article
  18. Article
  19. Review
  20. Clinical approaches to early inflammatory arthritis.Nature reviews. Rheumatology · 2009
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

K P LiaoDivision of Rheumatology, Immunology and Allergy, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA. kliao@partners.org
K L Batra
L Chibnik
P H Schur
K H Costenbader

Funding

Trial of risk mangement for prevention of accelerated atherosclerosis in SLEP60AR047782 · NIAMS · BRIGHAM AND WOMEN'S HOSPITAL · PI SOLOMON, DANIEL HAL · 2001 to 2016
$18.8M
MECHANISMS OF ARTHRITIC &DERMATOLOGY DISORDERST32AR007530 · NIAMS · BRIGHAM AND WOMEN'S HOSPITAL · PI Michael B. Brenner, Ellen M Gravallese · 1986 to 2026
$10.4M
Hormones/Genes in Women's Health: From Bench to BedsideK12HD051959 · NICHD · BRIGHAM AND WOMEN'S HOSPITAL · PI GOLDSTEIN, JILL M, REXRODE, KATHRYN M · 2005 to 2023
$8.8M
NIAMS NIH HHS P60 AR047782NIAMS NIH HHS T32 AR007530NICHD NIH HHS K12 HD051959
6 · The paper itself

Abstract

objectiveThe classification of rheumatoid arthritis (RA) is increasingly important as new therapies can halt the disease in its early stages. Antibodies to cyclic citrullinated peptides (anti-CCP) are widely used for RA diagnosis, but are not in the 1987 American College of Rheumatology (ACR) Criteria for RA Classification. We developed and tested the performance characteristics of new criteria for RA classification, incorporating anti-CCP.

methodsWe identified all subjects seen in our arthritis centre with rheumatoid factor (RF) and anti-CCP tested simultaneously between 1 January and 30 June 2004 and reviewed their medical records for the ACR criteria, rheumatologists' diagnoses, RF and anti-CCP. We revised the ACR criteria in two ways: (a) adding anti-CCP, and (b) replacing rheumatoid nodules and erosions with anti-CCP (CCP 6 criteria). We compared sensitivity and specificity of all criteria, in all subjects and in subjects with arthritis symptoms </=6 months.

resultsMedical records of 292 subjects were analysed: mean age was 54 years, 82% were women, and mean symptom duration was 4.1 years. 17% were RF positive and 14% were anti-CCP positive at initial testing. 78 (27%) had definite RA per treating rheumatologist at latest follow-up. The CCP 6 criteria increased sensitivity for RA classification for all subjects regardless of symptom duration: 74% vs 51% for ACR criteria with a loss in specificity (81% vs 91%). Sensitivity was greatly improved in subjects with symptoms < or =6 months: 25% vs 63% for ACR criteria with a decrease in specificity.

conclusionsThe CCP 6 criteria improved upon the sensitivity of the ACR criteria, most remarkably for subjects with symptoms < or =6 months and could be used for the classification of subjects for RA in clinical studies.

Indexed as

AdolescentAdultAgedAged, 80 and overArthritis, RheumatoidAutoantibodiesBiomarkersEarly DiagnosisFemaleFollow-Up StudiesHumansMaleMiddle AgedPeptides, CyclicRheumatoid FactorSensitivity and SpecificityAutoantibodiesBiomarkerscyclic citrullinated peptidePeptides, CyclicRheumatoid Factor

Identifiers

PMID18234714
PMCPMC2964864

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.