Person-level analysis
| Variable | March to September 2019 n (%) | March to September 2020 n (%) | P value |
| Total (n) | 26 459 | 17 001 | |
| Age group (years) | |||
| <18 | 3298 (12.5) | 2387 (14) | <0.001 |
| 18–39 | 6341 (24) | 4596 (27.3) | |
| 40–59 | 5993 (22.7) | 3806 (22.4) | |
| 60–79 | 7004 (26.4) | 4159 (24.5) | |
| 80+ | 3822 (14.5) | 2053 (12.1) | |
| Male | 15 094 (57.1) | 9613 (56.5) | 0.30 |
| Married/de facto/partner | 11 496 (47.0) | 7414 (47.3) | 0.53 |
| Interpreter needed | 199 (0.75) | 120 (0.71) | 0.58 |
| Residential care | 149 (0.56) | 73 (0.43) | 0.06 |
| Public patients | 22 968 (86.8) | 15 711 (92.4) | <0.001 |
| IRSAD quintile | |||
| Group 1 (highest relative socioeconomic disadvantage) | 1433 (5.4) | 871 (5.1) | 0.07 |
| Group 2 | 2975 (11.2) | 1876 (11) | |
| Group 3 | 12 523 (47.3) | 8098 (47.6) | |
| Group 4 | 7370 (27.9) | 4654 (27.4) | |
| Group 5 (lowest relative disadvantage) | 2158 (8.1) | 1502 (8.8) | |
| Frailty score | |||
| 0 | 11 256 (42.5) | 2763 (45.5) | <0.001 |
| 1–4 | 9677 (36.6) | 2277 (37.5) | |
| 5–14 | 4077 (15.4) | 835 (13.7) | |
| 15+ | 1449 (5.5) | 195 (3.2) | |
| Charlson Index scores | |||
| 0 | 18 745 (81.7) | 4519 (74.5) | <0.001 |
| 1–2 | 5002 (18.9) | 1115 (18.3) | |
| 3+ | 2712 (10.3) | 436 (7.18) | |
| Admissions in previous 12 months | |||
| 0 | 18 682 (70.6) | 16 187 (95.2) | <0.001 |
| 1–2 | 5857 (22.1) | 719 (4.2) | |
| 3+ | 1920 (7.2) | 95 (0.6) | |
| ED presentations in previous 12 months | |||
| 0 | 18 945 (71.6) | 15 581 (91.6) | <0.001 |
| 1–2 | 5631 (21.3) | 1144 (6.7) | |
| 3 + | 1883 (6.7) | 276 (1.6) | |
ED, emergency department; IRSAD, Index of Relative Socioeconomic Advantage and Disadvantage.