Table 3 Diagnostic sensitivity and specificity comparison of samples prepared with VETSCAN IMAGYST centrifugal flotation versus conventional centrifugal flotation (reference method), both read by a parasitologist

True positive

42

25

20

10

False positive

2

3

1

0

True negative

53

64

76

88

False negative

3

8

3

2

Total

100

100

100

100

Sensitivity (%) (95% CI)

93.3 (83.3–98.1)

75.8 (59.4–87.8)

87.0 (69.1–96.2)

83.3 (56.4–96.4)

Specificity (%) (95% CI)

96.4 (88.8–99.2)

95.5 (88.5–98.7)

98.7 (94.1–99.9)

100 (97.2–100)