Evaluation of Urine Reagent Strip as a Tool for Routine Diagnosis of Maternal Urogenital Schistosomiasis at Antenatal Clinic Visit in Munyenge, South West Region, Cameroon

Table 4

Performance of microhaematuria and proteinuria in the diagnosis of UGS among pregnant women.

ANC visit	Diagnostic parameters	Microhaematuria (95% CI)	Proteinuria (95% CI)
1^st visit	Sensitivity	54.5 (34.6–73.1)	13.6 (4.7–33.3)
	Specificity	98.6 (92.4–99.7)	97.2 (90.3–99.2)
	PPV	92.3 (66.7–98.6)	60.0 (23.1–88.2)
	NPV	87.5 (78.5–93.1)	78.4 (68.7–85.7)
	Accuracy	88.2 (80.0–93.3)	77.4 (67.9–84.7)
	κ value	0.6	0.1
2^nd visit	Sensitivity	59.1 (38.7–76.7)	0.0 (—)
	Specificity	100.0 (94.9–100.0)	98.6 (92.4–99.7)
	PPV	100.0 (77.2–100.0)	0.0 (—)
	NPV	88.7 (80.0–94.0)	76.1 (66.4–83.6)
	Accuracy	90.3 (82.6–94.8)	75.3 (65.6–82.6)
	κ value	0.7	−0.02
3^rd visit	Sensitivity	59.1 (38.7–76.7)	0.0 (—)
	Specificity	98.6 (92.4–99.7)	94.4 (86.4–97.8)
	PPV	92.9 (68.5–98.7)	0.0 (—)
	NPV	88.6 (79.7–93.9)	75.3 (65.4–83.1)
	Accuracy	89.2 (81.3–94.0)	72.0 (62.2–88.1)
	κ value	0.7	−0.08

PPV = positive predictive value; NPV = negative predictive value.