Average relative deviation (ARD) and incidence rate ratio (IRR) by hospital category for rates of preventable hospitalisation, separated as short-stay (0–2 days length of stay (LOS)) and long-stay (>2 days LOS) admissions
| Hospital category | Short stay (0–2 days LOS) | Long stay (>2 days LOS) | ||
| ARD | IRR (95% CIs) | ARD | IRR (95% CIs) | |
| Principal | 17.9 | 1.00 (ref) | 14.6 | 1.00 (ref) |
| Major metropolitan | 25.5 | 0.99 (0.95% to 1.02%) | 25.9 | 1.00 (0.97% to 1.03%) |
| Major non-metropolitan | 22.7 | 1.02 (0.98% to 1.05%) | 11.3 | 0.99 (0.96% to 1.02%) |
| District | 30.4 | 1.02 (0.99% to 1.05%) | 24.3 | 0.98 (0.95% to 1.00%) |
| Community | 17.5 | 1.04 (1.01% to 1.07%) | 25.7 | 1.02 (0.99% to 1.05%) |
| Multipurpose | 24.3 | 1.04 (1.00% to 1.08%) | 11.6 | 0.99 (0.95% to 1.03%) |