Test characteristics of different total sum scores
| Cut-off total sum score* | Sensitivity† (95% CI)n = 24 | Specificity‡ (95% CI)n = 15 |
|---|---|---|
| *Cut-off total sum score: 7×IgA titre plus individual’s age. | ||
| †Sensitivity: the percentage of LGV infections detected under a given selection. | ||
| ‡Specificity: the percentage of LGV-negative participants not detected under a given selection. | ||
| 54.6 | 83.3 (57.9 to 92.9) | 100 (78.2 to 100) |
| 52.0 | 87.5 (67.6 to 97.3) | 100 (78.2 to 100) |
| 50.0 | 91.7 (73.0 to 99.0) | 100 (78.2 to 100) |
| 49.3 | 91.7 (73.0 to 99.0) | 93.3 (68.1 to 99.8) |
| 48.6 | 91.7 (78.9 to 99.9) | 86.7 (59.5 to 98.3) |