Non-invasive urine based tests for the detection of ...
2012-11-1 · NEGATIVE PREDICTIVE VALUE (NPV) = Patients who were true negative Patients with negative urine test × 100. The negative predictive value of a urine test is defined as the ratio of true negatives to those with a negative urine test.11. POSITIVE PREDICTIVE VALUE = Patients who were true positive Patients with positive urine test × 100
Get Price