Factors associated with malaria microscopy diagnostic performance following a pilot quality-assurance programme in health facilities in malaria low-transmission areas of Kenya, 2014

Table 3 Measures of malaria microscopy performance in surveyed health facilities in malaria low-transmission areas of Kenya, 2014

Quality-assurance pilot programme	Number of slides	Sensitivity		Specificity		Positive predictive value		Negative predictive value		Kappa value
Quality-assurance pilot programme	Number of slides	%	95% CI	%	95% CI	%	95% CI	%	95% CI	ĸ	95% CI
Overall
Yes	378	96	(90–99)	92	(88–95)	76	(67–84)	99	(97–99)	0.80	(0.74–0.88)
No	378	62	(49–74)	80	(76–85)	40	(31–50)	91	(87–94)	0.35	(0.24–0.46)
Dispensary
Yes	36	100	(59–100)	100	(88–100)	100	(59–100)	100	(88–100)	1.00	–
No	36	62	(24–91)	54	(34–72)	28	(10–53)	83	(59–96)	0.11	(−0.16 to 0.38)
Health centre
Yes	180	88	(69–97)	90	(85–94)	60	(42–75)	98	(94–100)	0.65	(0.51–0.79)
No	180	59	(39–76)	94	(89–97)	65	(44–84)	92	(87–96)	0.55	(0.38–0.72)
Primary hospital
Yes	144	100	(92–100)	93	(85–97)	87	(75–95)	100	(96–100)	0.89	(0.82–0.97)
No	144	62	(41–80)	69	(59–77)	30	(18–44)	89	(81–95)	0.22	(0.06–0.37)
Secondary hospital
Yes	18	100	(40–100)	93	(66–100)	80	(28–99)	100	(75–100)	0.85	(0.58–1.00)
No	18	100	(29–100)	87	(60–98)	60	(15–95)	100	(75–100)	0.68	(0.29–1.00)

ISSN: 1475-2875