Table 4:

Percentage of sensitivity and specificity of smear microscopy, by laboratory

Laboratory Number	Sensitivity (%)			Specificity (%)			Positive Predictive Value (%)			Negative Predictive Value (%)
	2011	2012	2013	2011	2012	2013	2011	2012	2013	2011	2012	2013
2	100	100	100	100	100	100	100	100	100	100	100	100
3	100	100	85.7	100	100	100	100	100	100	100	100	9903
4	100	100	100	100	100	100	100	100	100	100	100	100
5	94.4	96.2	100	99.2	100	100	94.4	100	100	99.2	99.3	100
6	89.5	100	100	100	100	100	100	100	100	98.4	100	100
7	NA	100	71.4	100	100	100	NA	100	100	100	100	99.3
8	100	100	100	100	100	100	100	100	100	100	100	100
9	96.2	100	100	100	100	100	100	100	100	98.6	100	100
10	78.6	100	100	100	100	100	100	100	100	96.7	100	100
11	58.3	88.9	100	100	100	100	100	100	100	93.8	99.2	100
12	100	100	100	100	100	100	100	100	100	100	100	100
13	80.0	100	100	100	100	100	100	100	100	97.9	100	100
14	87.5	100	80.0	99.4	100	100	87.5	100	100	99.4	100	99.4
15	100	100	100	100	100	100	100	100	100	100	100	100
16	NA	100	NA	100	100	100	NA	100	NA	100	100	100
17	100	100	100	100	100	100	100	100	100	100	100	100
18	58.3	100	92.3	100	100	99.0	100	100	85.7	97.5	100	99.5
19	100	100	100	100	100	100	100	100	100	100	100	100
20	89.7	100	100	100	100	100	100	100	100	99.1	100	100
21	100	66.7	90.0	99.6	100	100	85.7	100	100	100	99.3	99.8
22	50.0	82.4	100	100	100	100	100	100	100	97.5	98.0	100
23	100	100	100	97.4	100	98.9	83.3	100	85.7	100	100	100
Regional (95% CI)	88.2 (83.4–92.0)	97.4 (94.7–98.9)	97.2 (94.3–98.9)	99.9 (99.6–100)	100 (99.9–100)	99.9 (99.8–100)	98.1 (95.3–99.5)	100 (98.6–100)	98.8 (96.5–99.7)	99.0 (98.6–99.3)	99.8 (99.6–99.9)	99.8 (99.7–99.9)