Table 6 Appraisal of scientific evidence (according to GRADE) - Validity of 5-level triage scales measured by acute mortality.
| Effect measure (endpoint) | Triage scale | No. Patients (no. Studies) | Mortality at triage level 5 (percent) | Scientific evidence | Comments |
|---|---|---|---|---|---|
| Patient mortality | CTAS |
29 346 (1 study) [43] | 0% |
Limited ⊕⊕○○ | Only one study, but large population |
| ATS |
127 079 (2 studies) [35, 36] | 0.03%-0.1% |
Limited ⊕⊕○○ | ||
| METTS |
8695 (1 study) [10] | 0.5% |
Insufficient ⊕○○○ | Reduction for study quality (-1) |