Table 2.
Characteristics of Cardiology, Gynaecology and Urology cohorts by age group, gender, Charlson score, British National Formulary (BNF) drug classes prescribed, previous hospital admissions and past care home residence
| Cardiology cohort |
Gynaecology cohort |
Urology cohort |
||||
|---|---|---|---|---|---|---|
| N | % | n | % | n | % | |
| Age group | ||||||
| 16–24 | 12,271 | 2.5 | 70,698 | 21.4 | 9142 | 5.8 |
| 25–34 | 17,747 | 3.6 | 75,033 | 22.7 | 13,999 | 8.9 |
| 35–44 | 38,756 | 7.8 | 68,607 | 20.8 | 19,272 | 12.3 |
| 45–54 | 74,527 | 15.0 | 55,645 | 16.8 | 23,151 | 14.8 |
| 55–64 | 101,783 | 20.5 | 28,385 | 8.6 | 33,054 | 21.1 |
| 65–74 | 116,368 | 23.5 | 19,674 | 6.0 | 33,470 | 21.4 |
| 75–84 | 100,322 | 20.2 | 10,497 | 3.2 | 20,401 | 13.0 |
| ≥85 | 34,012 | 6.9 | 1961 | 0.6 | 4136 | 2.6 |
| Gender | ||||||
| Male | 256,031 | 51.6 | 0 | 0.0 | 156,625 | 100.0 |
| Female | 239,750 | 48.4 | 330,500 | 100.0 | 0 | 0.0 |
| Charlson score | ||||||
| 0 | 168,085 | 33.9 | 121,025 | 36.6 | 53,653 | 34.3 |
| 1–2 | 99,945 | 20.2 | 19,765 | 6.0 | 22,004 | 14.1 |
| 3–4 | 24,206 | 4.9 | 1866 | 0.6 | 4980 | 3.2 |
| ≥5 | 9560 | 1.9 | 1303 | 0.4 | 1993 | 1.3 |
| Unknown | 193,990 | 39.1 | 186,541 | 56.4 | 73,995 | 47.2 |
| BNF drug classes prescribed | ||||||
| 0 | 60,778 | 12.3 | 63,476 | 19.2 | 35,092 | 22.4 |
| 1–4 | 134,104 | 27.1 | 159,761 | 48.3 | 56,371 | 36.0 |
| 5–9 | 162,250 | 32.7 | 74,959 | 22.7 | 40,933 | 26.1 |
| 10–14 | 94,938 | 19.2 | 23,444 | 7.1 | 17,682 | 11.3 |
| 15–19 | 33,538 | 6.8 | 6816 | 2.1 | 5135 | 3.3 |
| ≥20 | 10,178 | 2.1 | 2044 | 0.6 | 1412 | 0.9 |
| Previous hospital admissions | ||||||
| 0 | 357,476 | 72.1 | 276,927 | 83.8 | 119,320 | 76.2 |
| 1 | 83,053 | 16.8 | 39,005 | 11.8 | 22,167 | 14.2 |
| 2 | 30,531 | 6.2 | 9133 | 2.8 | 7993 | 5.1 |
| 3 | 12,312 | 2.5 | 2734 | 0.8 | 3409 | 2.2 |
| ≥4 | 12,414 | 2.5 | 2701 | 0.8 | 3736 | 2.4 |
| Past care home residence | ||||||
| No | 490,478 | 98.9 | 330,093 | 99.9 | 155,718 | 99.4 |
| Yes | 5308 | 1.1 | 407 | 0.1 | 907 | 0.6 |