Clinical utility of diagnostic tests for rheumatoid factor.
作者： Elling Ulvestad, Anita Kanestrøm, T
DOI: 10.1080/03009740151095349
关键词:
摘要: Objective: To investigate and compare the accuracy usefulness of diagnostic tests for rheumatoid factor (RF). Methods: In a cross-sectional study sera derived from patients admitted to Section Rheumatology were tested presence RF using either nephelometry or Waaler test. Diagnostic sensitivity predictive values calculated compared. The was compared receiver-operating characteristics (ROC) methodology. Results: Good agreement found between (κ≈0.7). At cut-off 19 IU/mL showed highest (82.4%) specificity (95.9%) arthritis (RA). comparison, test had 60.3% 95.9% at titer 128. nearly equal performance when predicting SS. Conclusion: Although both exhibit good characteristics, has higher RA common practice bot...
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