Table 3.

Sensitivity, specificity, NPV and PPV of the three techniques in diagnosing intestinal parasite infections among school children in Wosha Soyama Primary school children, Wondo Genet, southern Ethiopia

	Sensitivity (95% CI)	Specificity (95% CI)	NPV (95% CI)	PPV (95% CI)
Mini Parasep® SF faecal parasite concentrator
A. lumbricoides	92.7 (89.0, 96.4)	100 (98.0, 1.0)	93.1 (90.0, 96.5)	100 (97.0, 1.0)
Hookworms	42.7 (29.7, 55.7)	100 (99.0, 1.0)	93.4 (88.0, 94.0)	100 (83.0, 1.0)
S. mansoni	93.0 (88.6, 97.4)	100 (98.0, 1.0)	96.5 (94.2, 98.8)	100 (96.0, 1.0)
T. trichiura	69.8 (63.5, 76.0)	100 (97.0, 1.0)	74.0 (69.0, 80.0)	100 (97.0, 1.0)
H. nana	89.6 (81.0, 98.1)	100 (90.0, 1.0)	98.5 (97.7, 99.7)	100 (90.0, 1.0)
Any species	90.2 (87.0, 93.4)	100 (92.0, 1.0)	62.4 (52.0, 72.7)	100 (98.0, 1.0)
Kato-Katz
A. lumbricoides	62.0 (55.1, 68.9)	100 (98.0, 1.0)	72.1 (66.7, 77.5)	100 (96.0, 1.0)
Hookworms	12.5 (4.2, 21.8)	100 (0.99, 1.0)	86.9 (83.6, 90.4)	100 (56.0, 1.0)
S. mansoni	44.6 (36.0, 53.1)	100 (98.0, 1.0)	77.7 (73.5, 82.5)	100 (92.0, 1.0)
T. trichiura	82.4 (77.2, 87.6)	100 (97.0, 1.0)	83.0 (77.9, 88.1)	100 (97.0, 1.0)
H. nana	18.8 (7.7, 29.7)	100 (99.0, 1.0)	89.5 (86.4, 92.3)	100 (63.0, 1.0)
Any species	80.0 (75.6, 84.2)	100 (92.0, 1.0)	44.5 (35.6, 53.4)	100 (98.0, 1.0)
McMaster
A. lumbricoides	58.3 (51.0, 65.3)	100 (98.0, 1.0)	70.3 (64.8, 75.8)	100 (96.0, 1.0)
Hookworms	58.9 (46.0, 71.8)	100 (99.0, 1.0)	93.4 (90.8, 96.0)	100 (87.0, 1.0)
T. trichiura	30.2 (23.7, 36.3)	100 (97.0, 1.0)	55.2 (47.8, 62.5)	100 (93.0, 1.0)
H. nana	70.8 (57.9, 83.7)	100 (99.0, 1.0)	96.0 (93.9, 98.1)	100 (87.0, 1.0)
Any species	55.2 (50.0, 60.6)	100 (92.0, 1.0)	26.5 (20.4, 32.6)	100 (97.0, 1.0)

95% CI, 95% confidence interval; PPV, positive predictive value; NPV, negative predictive value.