Performance of the three diagnostic tests and 95% confidence intervals
| Latex agglutination | Wet prep | Culture | |
|---|---|---|---|
| Sensitivity (%) | 98.8 (95.9 to 99.9) | 81.5 (74.9 to 87.0) | 98.2 (95.0 to 99.6) |
| Specificity (%) | 92.1 (89.2 to 94.5) | 100 (99.2 to 100) | 100 (99.2 to 100) |
| Positive predictive value | 83.0 (77.2 to 87.9) | 100 (97.4 to 100) | 100 (97.9 to 100) |
| Negative predictive value | 99.5 (98.3 to 99.9) | 93.3 (90.7 to 95.4) | 99.5 (98.1 to 99.9) |