PREDICTIVE VALUES

Sensitivity, Specificity and predictive values of prenatal screening cultures and Strep B OIA for the detection of GBS vaginal carriage at delivery from 531 pregnant women (Belgium, 2000)

Method of Sensitivity Specificity PPV NPVdetection Percent (No) Prenatal screening “69” “91.7” 56.3 95culture (49/71) (422/460) (49/87) (422/444) Strep B OIA 62 99.3 93.6 94.4at delivery (44/71) (457/460) (44/47) (457/484)

Previous slide

Next slide

Back to first slide

View graphic version