Regression analysis modelling length of stay and escalated treatment
| Length of stay | Escalated treatment | |||
| IRR (95% CI) | P value | OR (95% CI) | P value | |
| Age (years) | 0.99 (0.98 to 1.001) | 0.082 | 1.05 (1.02 to 1.09) | 0.004 |
| Triage | ||||
| 4 and 5 | (ref) | (ref) | ||
| 3 | 1.53 (1.36 to 1.74) | <0.001 | 5.93 (3.12 to 11.25) | <0.001 |
| 2 | 2.25 (1.93 to 2.64) | <0.001 | 30.44 (15.45 to 59.98) | <0.001 |
| 1 | 2.70 (2.24 to 3.25) | <0.001 | 214.18 (101.38 to 452.48) | <0.001 |
| Sex (female) | 1.05 (0.99 to 1.12) | 0.095 | 1.03 (0.89 to 1.20) | 0.690 |
| Tertiary | 1.26 (0.92 to 1.74) | 0.150 | 0.98 (0.52 to 1.85) | 0.940 |
| Escalated treatment | 3.45 (2.93 to 4.06) | <0.001 | N/A | |
Five cases with unspecified gender excluded from analysis.
IRR, incidence rate ratio; N/A, not available.