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. 2015 Dec 26;8:820. doi: 10.1186/s13104-015-1822-4

Table 2.

The performance of diagnostic techniques of intestinal parasitosis against the Gold standard method from May to June 2013

Techniques	Gold standard
Techniques	Sensitivity (95 % CI)	Specificity (95 % CI)	PPV (95 % CI)^a	NPV (95 % CI)^a	P, χ²	Kappa value
Wet mount	48.9 (48.8–49.1)	94.5 (94.4–94.7)	97 (96.9–97.1)	33.7 (33.5–33.9)	0.00, 55.35	0.26
FEC^a	63.1 (62.9–63.3)	94.5 (94.4–94.7)	97.7 (97.6–97.7)	41.3 (41.1–41.6)	0.00, 94.9	0.39
Kato Katz	93.7 (93.6–93.7)	94.5 (94.4–94.7)	98.4 (98.4–98.5)	80.4 (80.1–80.6)	0.00, 2.9	0.83

^a PPV positive predictive value; NPV negative predictive value CI confidence value FEC formol ether concentration