| Study | Site | True positive | False positive | False negative | True negative |
| Boehme 2010a | Azerbaijan | 47 | 4 | 2 | 90 |
| Boehme 2010b | Peru | 16 | 3 | 0 | 190 |
| Boehme 2010c | South Africa, Cape Town | 15 | 0 | 1 | 126 |
| Boehme 2010d | South Africa, Durban | 3 | 0 | 0 | 38 |
| Boehme 2010e | India | 119 | 3 | 2 | 61 |
| Boehme 2011a | Azerbaijan | 47 | 1 | 3 | 160 |
| Boehme 2011b | Peru | 22 | 1 | 1 | 161 |
| Boehme 2011c | South Africa | 9 | 3 | 1 | 175 |
| Boehme 2011d | Uganda | 1 | 1 | 2 | 112 |
| Boehme 2011e | India | 8 | 2 | 2 | 91 |
| Boehme 2011f | The Philippines | 149 | 6 | 5 | 97 |
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