| Variable | Adjusted OR | 95% CI | P value |
| Age | 1.0111 | 1.0031 - 1.0191 | 0.006 |
| Sex (male/female) | 0.9805 | 0.7245 - 1.3271 | 0.899 |
| Acuity (emergency/non-emergency) | 0.6183 | 0.3152 - 1.2129 | 0.162 |
| Mental status (Not Alert/ Alert) | 0.3013 | 0.1354 - 0.6704 | 0.003 |
| Mobility (non-ambulant/ambulant) | 0.6389 | 0.4641 - 0.8795 | 0.006 |
| Day of presentation (Weekend/weekday) | 0.7022 | 0.5075 - 0.9716 | 0.032 |
| Day Shift (Yes/No) | 0.5400 | 0.3965 - 0.7354 | <0.005 |
| Night shift (Yes/No) | 1.2294 | 0.8622 - 1.7529 | 0.2540 |
| Medicine admission (No/Yes) | 0.3617 | 0.2402 - 0.5446 | <0.005 |
| Gynaecology Admission (Yes/No) | 0.6999 | 0.4656 - 1.0132 | 0.058 |
| Orthopaedics Admission (No/Yes) | 0.6999 | 0.3623 - 1.3523 | 0.288 |
| Surgery Admission (Yes/No) | 1.5062 | 0.9269 - 2.4475 | 0.098 |
| Paediatric Admission (Yes/No) | 0.2371 | 0.0694 - 0.8101 | <0.021 |