Regression analysis of the subgroup: predictors of length of stay explored individually by linear regression and pooled in multivariable regression
| Simple regression | Multivariable regression | |||||
| Estimate | SE | P values | Estimate | SE | P values | |
| Age (per year) | 1.73 | 0.03 | <0.001 | 1.19 | 0.02 | <0.001 |
| Gender female (yes/no) | 26.70 | 1.07 | <0.001 | 17.84 | 1.03 | <0.001 |
| Arrival mode | ||||||
| Ambulance without alert (yes/no) | 108.38 | 1.33 | <0.001 | 84.26 | 1.40 | <0.001 |
| Ambulance with prehospital alert (yes/no) | −37.85 | 3.19 | <0.001 | −28.65 | 3.09 | <0.001 |
| Daily in-bed occupancy at 06:00 (0–1) | 208.23 | 10.26 | <0.001 | 224.44 | 10.76 | <0.001 |
| Daily total arrival volume | 0.61 | 0.02 | <0.001 | 0.70 | 0.02 | <0.001 |
| Difference compared with teamwork period | ||||||
| Nurse-led triage period (yes/no) | 15.56 | 1.39 | <0.001 | |||
| Physician-led triage period (yes/no) | 23.46 | 1.33 | <0.001 | |||