From: Detecting Schistosoma mansoni infections among pre-school-aged children in southern Ghana: a diagnostic comparison of urine-CCA, real-time PCR and Kato-Katz assays
Kato-Katz + PCR
Sensitivity
Specificity
Kappa Score
Pos
Neg
(95% CI)
CCAa
53
74
84.1 (72.7–92.1)
12.9 (6.6–22)
−0.03
10
11
CCAb
23
20
36.5 (24.7–49.6)
76.5 (66–85)
0.14
40
65