Table 2 Diagnostic sensitivity and specificity comparison of samples prepared with VETSCAN IMAGYST passive flotation versus OVASSAY passive flotation (reference method), both read by a parasitologist

True positive

40

22

21

4

False positive

4

6

0

6

True negative

53

67

78

90

False negative

3

5

1

0

Total

100

100

100

100

Sensitivity (%) (95% CI)

93.0 (82.5–98.0)

81.5 (64.1–92.6)

95.5 (80.7–99.5)

100 (55.5–100)

Specificity (%) (95% CI)

93.0 (84.2–97.6)

91.8 (83.8–96.5)

100 (96.8–100)

93.8 (87.6–97.3)