Social & Preventive Medicine A doctor order 6 tests for SLE. Which of the follo wing is needed for inference? A Incidence of SLE and predictivity of each test B Prior probability of SLE, sensitivity and specificity of test C Incidence and prevalence of SLE D Relative risk of SLE in the patient 💡 Explanation A doctor order 6 tests for SLE. Which of the follo wing is needed for inference? ✓ Correct Answer: B. Prior probability of SLE, sensitivity and specificity of test