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Year : 1991  |  Volume : 9  |  Issue : 1  |  Page : 51-55

Incidence Of Hidden Rheumatoid Factors In Seronegative Rheumatoid And Non-Rheumatoid Patients



Correspondence Address:
V Lakshmi


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One hundred and eighty six RF negative samples from patients with rheumatoid arthritis, rheumatic diseases other than RA and non-rheumatic diseases were tested by Latex agglutination inhibition test (LAIT) for the presence of hidden RFs. 76% of sero-negative RA group were positive for LAIT. In the other 2 groups the incidence of positive LAIT was 55.5% and 33.3% respectively. The sensitivity and specificity of LAIT to detect hidden RFs were found to be 75.8% and 84% respectively. The positive and negative predictive values of the test were 94.7% and 47.7% respectively.






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2004 - Indian Journal of Medical Microbiology
Published by Wolters Kluwer - Medknow

Online since April 2001, new site since 1st August '04