Mean risk-adjusted COVID-19 RSMRs by hospital characteristics (for hospitals with ≥1 COVID-19 admission) between 1 April 2020 and 30 September 2021*
| Hospital characteristic | No of hospitals | Mean in-hospital RSMR (%) | SD (%) | Mean 30-day RSMR | SD (%) |
| All hospitals | 4343 | 19.7 | 7.3 | 27.8 | 4.9 |
| Hospitals in rural area | |||||
| Rural | 1765 | 17.4 | 5.6 | 27.7 | 4.5 |
| Urban | 2555 | 21.3 | 7.8 | 27.9† | 5.2 |
| Bed size | |||||
| 1–99 | 2078 | 16.7 | 5.4 | 27.3 | 4.3 |
| 100–199 | 792 | 21.0 | 7.9 | 28.4 | 5.5 |
| 200–299 | 502 | 22.8 | 7.3 | 28.5 | 5.1 |
| 300–399 | 364 | 23.6 | 8.1 | 28.7 | 5.5 |
| 400+ | 584 | 23.6 | 7.0 | 27.6 | 5.4 |
| Teaching Status | |||||
| Teaching | 1180 | 22.2 | 7.5 | 27.7 | 5.3 |
| Non-teaching | 3139 | 18.8 | 6.9 | 27.8 | 4.8 |
| Critical access status | |||||
| Critical access | 1256 | 16.2 | 4.3 | 27.1 | 3.6 |
| Not critical access | 3064 | 21.2 | 7.7 | 28.1 | 5.4 |
| Nurse-to-bed ratio | |||||
| <1 | 1914 | 19.5 | 7.4 | 28.3 | 4.9 |
| 1 to <2 | 1858 | 20.1 | 7.3 | 27.7 | 5.0 |
| 2+ | 548 | 19.0 | 6.4 | 26.6 | 4.6 |
| Ownership | |||||
| Government | 981 | 19.1 | 6.7 | 28.0 | 4.7 |
| Not-for-profit | 2648 | 19.5 | 7.0 | 27.2 | 4.8 |
| For-profit | 690 | 21.5 | 8.5 | 29.8 | 5.2 |
| Star rating category | |||||
| 1 star | 201 | 29.1 | 8.8 | 32.1 | 5.5 |
| 2 stars | 685 | 24.3 | 7.2 | 29.6 | 4.9 |
| 3 stars | 1002 | 22.8 | 6.5 | 28.5 | 4.8 |
| 4 stars | 979 | 20.7 | 6.3 | 26.7 | 4.7 |
| 5 stars | 449 | 18.0 | 5.8 | 24.5 | 4.9 |
*All differences between categories (eg, rural vs urban; teaching vs non-teaching) are significant (p<0.05) except as indicated.
†Not significant (p=0.316).
RSMRs, risk-standardised mortality rates.