Table 3 |
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|
Predictive values of blood smear (BS) results at Primary Health Care (PHC) facilities in the clinical algorithm + microscopy intervention arm |
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| PHC Facilities |
BS positive rate (PHC microscopy reading) n/N (%) |
BS positive rate (MUCHS reading) n/N (%) |
Positive predictive Value % |
Negative predictive Value % |
|
|
||||
| Chalinze |
111/200 (55.5) |
59/200 (29.5) |
48.6 |
94.4 |
| Ubena |
140/180 (77.8) |
83/176 (47.2) |
51.1 |
66.7 |
| Mbwewe |
86/197 (43.7) |
88/191 (46.1) |
68.7 |
71.3 |
| Kikongo |
44/197 (22.3) |
68/194 (35.1) |
70.5 |
75.3 |
| Mwanabwito |
150/199 (75.4) |
63/176 (36.4) |
44.2 |
86.4 |
|
|
||||
| Total |
531/973 (54.6) (CI: 51.4, 57.7) |
361/934 (38.7)* (CI:35.6, 41.8) |
53.4 (SD 12.1) (CI: 49.0, 58.0) |
78.6 (SD 11.4) (CI: 74.0, 82.0) |
|
|
||||
|
CI = (95% confidence interval). *39 Blood smear results missing/not done at reference laboratory by experienced microscopist |
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|
Ngasala et al. Malaria Journal 2008 7:199 doi:10.1186/1475-2875-7-199 |
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