|
Sensitivity and specificity of HIV testing on sputum at various days, with and without CPC |
||||
| HIV serum ELISA (Standard) |
||||
|
|
||||
| HIV on sputum |
Positive |
Negative |
Sensitivity (95% CI) |
Specificity (95% CI) |
|
|
||||
| Day 1 |
94.7% (89.4–97.8%) |
92.9% (88.9–95.8%) |
||
| Positive |
125 |
7 |
||
| Negative |
7 |
233 |
||
| Total |
132 |
240 |
||
| Without CPC |
||||
| Day 4 |
93.2% (87.5–96.8%) |
76.7% (70.9–81.9%) |
||
| Positive |
123 |
56 |
||
| Negative |
9 |
185 |
||
| Total |
132 |
241 |
||
| Day 7 |
92.9% (87.0–96.7%) |
62.7% (55.5–69.5%) |
||
| Positive |
118 |
72 |
||
| Negative |
9 |
121 |
||
| Total |
127 |
193 |
||
| With CPC |
||||
| Day 4 |
93.9% (87.3–97.7%) |
67.8% (60.4–74.5%) |
||
| Positive |
93 |
58 |
||
| Negative |
6 |
122 |
||
| Total |
99 |
180 |
||
| Day 7 |
94.9% (87.5–97.9%) |
49.6% (40.5–58.7%) |
||
| Positive |
94 |
63 |
||
| Negative |
5 |
62 |
||
| Total |
99 |
125 |
||
Egwaga et al. BMC Clinical Pathology 2007 7:8 doi:10.1186/1472-6890-7-8 |
||||