Research Article
Front-Loading Sputum Microscopy Services: An Opportunity to Optimise Smear-Based Case Detection of Tuberculosis in High Prevalence Countries
Table 3
Yield of two smears collected using the standard
(spot-morning) and the frontloading (spot-Xspot) approaches by country.
| Standard
approach | Frontloading
approach | |
| Yemen | Positive | Negative | All | .18 | Positive | 56 | 4 | 60 | Negative | 1 | 189 | 190 | All | 57 | 193 | 250 |
| Nepal | | | | .53 | Positive | 40 | 6 | 46 | Negative | 4 | 156 | 160 | All | 44 | 162 | 206 |
| Nigeria | | | | .32 | Positive | 47 | 1 | 48 | Negative | 0 | 176 | 176 | All | 47 | 177 | 224 |
| Ethiopia | | | | 1.0 | Positive | 46 | 3 | 49 | Negative | 3 | 191 | 194 | All | 49 | 194 | 243 |
| All sites | | | | .58 | Positive | 189 | 14 | 203 | Negative | 8 | 712 | 720 | All | 197 | 726 | 923 |
|
|
cNemar test.
|