Sensitivity and specificity of triage methods
| Sensitivity (95% CI) | Specificity (95% CI) | ||
| CURB-65 | Score >1 | 20% (4 to 62) | 94% (88 to 97) |
| PMEWS | Score >1 | 80% (38 to 96) | 40% (32 to 49) |
| Swine flu hospital pathway | Any criterion positive | 60% (23 to 88) | 81% (73 to 87) |