Charactertistics of patients included in the study and unadjusted rates of admission to hospital by characteristic
| Characteristic | Total | No. (%)* of patients | |
|---|---|---|---|
| At least 1 unplanned admission | At least 1 potentially preventable unplanned admission | ||
| All | 180 815 | 10 828 (6.0) | 2 037 (1.1) |
| Sex | |||
| Male | 89 076 | 5 209 (5.8) | 984 (1.1) |
| Female | 91 739 | 5 619 (6.1) | 1 053 (1.1) |
| Age, yr | |||
| 20–34 | 38 500 | 1 237 (3.2) | 170 (0.4) |
| 35–44 | 35 934 | 1 180 (3.3) | 158 (0.4) |
| 45–54 | 34 227 | 1 310 (3.8) | 195 (0.6) |
| 55–64 | 30 827 | 1 679 (5.4) | 316 (1.0) |
| 65–74 | 22 053 | 1 910 (8.7) | 426 (1.9) |
| ≥ 75 | 19 274 | 3 512 (18.2) | 772 (4.0) |
| Deprivation quintile | |||
| 1 (least deprived) | 31 121 | 1 281 (4.1) | 184 (0.6) |
| 2 | 37 261 | 1 949 (5.2) | 348 (0.9) |
| 3 | 45 823 | 2 685 (5.9) | 529 (1.2) |
| 4 | 36 098 | 2 424 (6.7) | 469 (1.3) |
| 5 (most deprived) | 30 512 | 2 489 (8.2) | 507 (1.7) |
| No. of physical conditions | |||
| 0 | 83 045 | 1 971 (2.4) | 195 (0.2) |
| 1 | 42 825 | 1 872 (4.4) | 268 (0.6) |
| 2 | 23 344 | 1 791 (7.7) | 322 (1.4) |
| 3 | 13 743 | 1 535 (11.2) | 300 (2.2) |
| ≥ 4 | 17 858 | 3 659 (20.5) | 952 (5.3) |
| No. of mental health conditions | |||
| 0 | 137 876 | 6 185 (4.5) | 1 122 (0.8) |
| ≥ 1 | 42 939 | 4 643 (10.8) | 915 (2.1) |
↵* Percentages are derived from the corresponding number in the Total column.