Table 5.
Diagnostic accuracy of the diagnostic score at different cut off points.
| Points | Sensitivity | Specificity | Legionella CAP | Non-Legionella CAP |
| ≥ 0 | 100 | - | 0 (0%) | 70 (19.0%) |
| ≥ 1 | 92.7 | 50.3 | 6 (7.3%) | 115 (31.3%) |
| ≥ 2 | 78.0 | 78.8 | 12 (14.6%) | 105 (28.5%) |
| ≥ 3 | 58.5 | 93.2 | 16 (19.5%) | 53 (14.4%) |
| ≥ 4 | 14.6 | 98.9 | 36 (43.9%) | 21 (5.7%) |
| ≥ 5 | 2.4 | 100 | 10 (12.2%) | 4 (1.1%) |
| 6 | - | 100 | 2 (2.4%) | 0 (0%) |