You have diagnosed a patient clinically as having SLE and or

Discussion in 'AIIMS Nov 2013' started by simon, Nov 18, 2006.

  1. simon

    simon Guest

    You have diagnosed a patient clinically as having SLE and ordered 6 tests. Out of which 4 tests have come positive and 2 are negative. To determine the probability of SLE at this point, you need to know:
    a. Prior probability of SLE; sensitivity and specificity of each test
    b. Incidence of SLE and predicitive value of each test
    c. Incidence and prevalence of SLE
    d. Relative risk of SLE in this patient

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