<prompt> Which of the following is Sensitivity?TN TN FPTN TN FNTP TP FNTP TP FP  <response>: Criteria Numerator Denominator Sensitivity True positive a True positive False negative ac Specificity True negative d True negative False positive bd PPV True positive a True positive False positive ab NPV True negative d True negative False negative cd False positives False positives b True negative False positive bd False negatives False negatives c True positive False negative ac Sensitivity Ability of test to identify correctly all those who have the disease, that is true positive. Specificity Ability of test to identify correctly all those who dont have the disease, that is true negative Positive predictive value Probability that subjects with a positive screening test truly have the disease. Negative predictive value Probability that subjects with a negative screening test truly dont have the disease. 