Performance of the different point-of-care tests
| N | Sensitivity, % (95% CI) | Specificity, % (95% CI) | PPV (%) | NPV (%) | Failure (%) | |
| Biorapid CHLAMYDIA Ag test | ||||||
| Performed within 72 h | 737 | 17.3 (8.8 to 25.9) | 93.5 (91.6 to 95.4) | 23.2 | 90.9 | 1.2 |
| Clients with symptoms | 359 | 17.0 (6.3 to 27.8) | 92.6 (89.7 to 95.5) | 25.8 | 88.1 | 0.8 |
| All results | 763 | 17.1 (8.9 to 25.2) | 93.7 (91.9 to 95.5) | 24.6 | 90.4 | 1.2 |
| QuickVue Chlamydia test | ||||||
| Performed within 72 h | 737 | 27.3 (17.3 to 37.2) | 99.7 (99.3 to 100) | 91.3 | 92.2 | 1.2 |
| Clients with symptoms | 357 | 28.6 (15.9 to 41.2) | 99.7 (99.0 to 100) | 93.9 | 89.8 | 1.4 |
| All results | 763 | 25.0 (15.7 to 34.3) | 99.7 (99.3 to 100) | 91.3 | 91.5 | 1.2 |
| Handilab-C | ||||||
| Performed within 24 h in non-menstruating women | 378 | 11.6 (2.0 to 21.2) | 91.9 (89.0 to 94.9) | 15.6 | 89.0 | 1.0 |
| Clients with symptoms | 180 | 11.1 (0.0 to 23.0) | 91.5 (87.1 to 95.9) | 18.8 | 85.4 | 0.6 |
| All results | 735 | 22.5 (133 to 31.7) | 88.9 (86.4 to 91.3) | 19.8 | 90.4 | 4.8 |