Table 4 Diagnostic sensitivity and specificity comparison of samples prepared with conventional centrifugal flotation versus OVASSAY passive flotation, both read by a parasitologist

True positive

41

26

22

4

False positive

2

1

0

0

True negative

53

66

77

88

False negative

4

7

1

8

Total

100

100

100

100

Sensitivity (%) (95% CI)

91.1 (80.2–96.9)

78.8 (62.8–90.0)

95.7 (81.4–99.5)

33.3 (12.5–61.2)

Specificity (%) (95% CI)

96.4 (88.8–99.2)

98.5 (93.2–99.8)

100 (96.8–100)

100 (97.2–100)