Table 2: Slide positivity and quality control of three health centers in Brazzaville.

SiteQuality controlSensitivitySpecificityPPVNPV

PositiveNegative% (95% CI)% (95% CI)% (95% CI)% (95% CI)
Hôpital de MfilouPositive645162.1 (52.5-70.9)67.3 (59.6-74.2)55.6 (46.5-64.4)72.9 (65.1-79.5)
Negative39105
CSI Maman MboualéPositive16216294.2 (89.6-96.8)33.6 (29.0-38.7)50.0 (44.6-55.4)89.1 (81.1-93.9)
Negative1082
LNSPPositive11691.7 (64.6-98.5)94.9 (89.4 -97.7)64.7 (41.3-82.7)99.1 (95.2-99.8)
Negative1113