Mean staffing levels
| Middle-grade night (95% CI) | Consultant night (95% CI) | |
| Nursing staff | 6.99 (6.9 to 7.1) | 6.76 (6.6 to 6.9) |
| Senior house officers | 1.76 (1.7 to 1.8) | 1.91 (1.8 to 2.0) |
| Middle-grade | 0.14 (0.1 to 0.2) | 0.22 (0.1 to 0.3) |
| Consultant | 0.03 (0.0 to 0.0) | 0.05 (0.0 to 0.1) |