Table 3 Performance characteristics of two different methods compared to Giemsa stain microscopy

Sensitivity

100

97.2

(95% CI)

(96.6-100)

(92.0-99.4)

Specificity

97.4

93.6

(95% CI)

(93.6-99.3)

(88.5-96.9)

PPV¹

96.4

91.2

(95% CI)

(91.0-99.0)

(84.5-95.7)

NPV²

100

98

(95% CI)

(97.6-100)

(94.2-99.6)

PLR³

39

15.2

(95% CI)

(14.8-103.0)

(8.3-27.6)

NLR⁴

0

0

(95% CI)

(0.0-0.0)

(0.0-0.9)

kappa

0.97

0.9

Std Error

0.06

0.06

p value

< 0.001

< 0.001