Table 3 –
Undertriage and overtriage by triage method.
| TTM | ISS 0-14 | ISS ≥15 | ||
| Full TTA | 4195 | 5241 | Overtriage | 44.45% |
| Limited or none | 55,193 | 9189 | Undertriage | 14.27% |
| NEI-6 | No NEI-6 | NEI-6 | ||
| Full TTA | 4079 | 5357 | Overtriage | 42.23% |
| Limited or none | 60,214 | 4168 | Undertriage | 6.47% |
| NFTI | No NFTI | NFTI | ||
| Full TTA | 3034 | 6402 | Overtriage | 32.15% |
| Limited or none | 55,382 | 9000 | Undertriage | 13.98% |
| STAT | No STAT | STAT | ||
| Full TTA | 2253 | 7183 | Overtriage | 22.88% |
| Limited or none | 50,026 | 14,356 | Undertriage | 22.30% |
STAT = secondary triage assessment tool; NFTI = need for trauma intervention; NEI-6 = need for an emergent intervention within 6 h; TTM = trauma triage matrix; ISS = injury severity score; TTA = trauma team activation.