Abstract 254

Sensitivity (95% CI)Specificity (95% CI)PPV (95% CI)NPV (95% CI)
A88.3 (82–94.6)100 (94.4–100)100 (94.4–100)66.6 (57.4–75.8)
B86.3 (79.6–93)94.8 (90.5–99.1)82.6 (75.2–90)96.1 (92.3–99.9)
C41.6 (32–51.2)89.4 (83.4–95.8)55.5 (45.8–65.2)82.9 (75.6–90.2)
D65.4 (56–74.7)98.7 (96.5–100)90.9 (85.3–96.5)86.5 (79.8–93.2)