Table 2.
Risk prediction of outcomes in EMS RETTS-A triage levels
| High acuity | Low acuity | ||||
|---|---|---|---|---|---|
| Red | Orange | Yellow | Green | ||
| nt | 596 | 1588 | 1919 | 362 | |
| Time-sensitive condition | n | 153 | 193 | 116 | 11 |
| AR | 25.7 | 12.2 | 6.04 | 3.01 | |
| RR | 3.10 | 1.25 | 0.43 | 0.27 | |
| CI | [2.44,3.89] | [0.99,1.57] | [0.33,0.56] | [0.09,0.50] | |
| Deviating VS/complication within 48 h | n | 303 | 110 | 39 | 3 |
| AR | 50.8 | 6.92 | 2.03 | 0.83 | |
| RR | 12.94 | 0.58 | 0.12 | 0.08 | |
| CI | [10.5,16.5] | [0.43,0.75] | [0.08,0.18] | [0.02,0.33] | |
| Admission to in-patient care | n | 483 | 866 | 826 | 112 |
| AR | 81.0 | 54.5 | 43.0 | 30.9 | |
| RR | 1.74 | 1.10 | 0.75 | 0.58 | |
| CI | [1.62,1.86] | [1.02,1.19] | [0.69,0.81] | [0.47,0.71] | |
| 48 h mortality | n | 22 | 18 | 4 | 0 |
| AR | 3.69 | 1.13 | 0.21 | 0 | |
| RR | 6.49 | 1.25 | 0.13 | 0 | |
| CI | [2.93,14.75] | [0.52,2.81] | [0.03,0.50] | [0,0] | |
| 30-day mortality | n | 73 | 80 | 50 | 6 |
| AR | 12.8 | 5.04 | 2.6 | 1.66 | |
| RR | 3.48 | 1.12 | 0.42 | 0.34 | |
| CI | [2.41,4.88] | [0.78,1.60] | [0.27,0.62] | [0.05,0.74] | |
nt Total number of patients per triage level, n number of patients, AR absolute risk %, RR relative risk, CI Bootstrapped 99% confidence intervals