Table 1 Characteristics of the study population with hospital admissions and deaths within 28 days (N = 2,311,282).
Total | Hospital admissions | Deaths | ||||
|---|---|---|---|---|---|---|
Number | Percentage | Number | Percentage | Number | Percentage | |
Age category (years) and CEV status | ||||||
Mean (SD) | 44.3 (17.1) years | |||||
18–39 | 1,007,474 | 43.6% | 19,834 | 2.0% | 429 | 0.1% |
40–49 | 442,337 | 19.1% | 18,897 | 4.3% | 989 | 0.7% |
50–59 | 434,690 | 18.8% | 30,138 | 6.9% | 3,054 | 0.7% |
60–69 | 229,209 | 9.9% | 30,070 | 13.1% | 7,009 | 3.1% |
70–79 | 112,379 | 4.9% | 31,436 | 28.0% | 14,068 | 12.5% |
80 or older | 85,193 | 3.7% | 33,671 | 39.5% | 27,607 | 32.4% |
Sex | ||||||
Female | 1,255,364 | 54.3% | 72,126 | 5.7% | 21,253 | 1.7% |
Male | 1,010,045 | 43.7% | 86,135 | 8.5% | 29,574 | 2.9% |
Missing | 45,873 | 2.0% | 5,785 | 12.6% | 2,329 | 5.1% |
Ethnicity | ||||||
White | 1,681,477 | 72.8% | 119,999 | 7.1% | 42,753 | 2.5% |
Asian/Asian British | 304,685 | 13.2% | 21,900 | 7.2% | 4,539 | 1.5% |
Black/African/Caribbean/Black British | 87,974 | 3.8% | 7,880 | 9.0% | 1,505 | 1.7% |
Mixed/multiple ethnic groups | 38,397 | 1.7% | 2,236 | 5.8% | 392 | 1.0% |
Other ethnic group | 58,789 | 2.5% | 4,388 | 7.5% | 616 | 1.0% |
Missing | 139,960 | 6.1% | 7,643 | 5.5% | 3,351 | 2.4% |
Index of Multiple Deprivation (IMD) decile | ||||||
1 (most deprived) | 277,814 | 12.0% | 23,009 | 8.3% | 6,734 | 2.4% |
2 | 282,141 | 12.2% | 22,238 | 7.9% | 6,510 | 2.3% |
3 | 271,120 | 11.7% | 20,001 | 7.4% | 5,985 | 2.2% |
4 | 248,041 | 10.7% | 17,838 | 7.2% | 5,689 | 2.3% |
5 | 231,591 | 10.0% | 16,376 | 7.1% | 5,220 | 2.3% |
6 | 218,370 | 9.4% | 14,774 | 6.8% | 5,104 | 2.3% |
7 | 208,612 | 9.0% | 13,647 | 6.5% | 4,831 | 2.3% |
8 | 206,003 | 8.9% | 13,316 | 6.5% | 4,719 | 2.3% |
9 | 194,561 | 8.4% | 12,273 | 6.3% | 4,440 | 2.3% |
10 (least deprived) | 172,508 | 7.5% | 10,542 | 6.1% | 3,917 | 2.3% |
Missing | 521 | <0.1% | 32 | 6.1% | 7 | 1.3% |
Body mass index | ||||||
Underweight | 78,684 | 3.4% | 3,149 | 4.0% | 2,063 | 2.6% |
Healthy weight | 655,582 | 28.4% | 30,448 | 4.6% | 13,967 | 2.1% |
Overweight | 649,641 | 28.1% | 48,161 | 7.4% | 15,652 | 2.4% |
Obese | 603,303 | 26.1% | 67,638 | 11.2% | 17,199 | 2.9% |
Missing | 324,072 | 14.0% | 14,650 | 4.5% | 4,275 | 1.3% |
Smoking status | ||||||
Never smoker | 1,363,771 | 59.0% | 82,668 | 6.1% | 21,963 | 1.6% |
Ex-smoker | 475,558 | 20.6% | 53,186 | 11.2% | 21,757 | 4.6% |
Current smoker | 376,057 | 16.3% | 21,260 | 5.7% | 7,005 | 1.9% |
Missing | 95,896 | 4.1% | 6,932 | 7.2% | 2,431 | 2.5% |
Clinically Extremely Vulnerable | 192,531 | 8.3% | 48,679 | 25.3% | 19,294 | 10.0% |
Co-morbidities | ||||||
Hypertension | 346,145 | 15.0% | 69,202 | 20.0% | 31,710 | 9.2% |
Chronic cardiac disease | 126,133 | 5.5% | 37,775 | 29.9% | 22,878 | 18.1% |
Chronic kidney disease | 14,492 | 0.6% | 5,485 | 37.8% | 3,553 | 24.5% |
Chronic respiratory disease | 489,341 | 21.2% | 53,099 | 10.9% | 19,960 | 4.1% |
Dementia | 13,552 | 0.6% | 5,111 | 37.7% | 4,800 | 35.4% |
Diabetes | 199,495 | 8.6% | 44,280 | 22.2% | 18,293 | 9.2% |
Chronic neurological disease (including epilepsy) | 64,274 | 2.8% | 10,765 | 16.7% | 4829 | 7.5% |
Learning disability | 11,627 | 0.5% | 1,775 | 15.3% | 485 | 4.2% |
Malignancy or immunosuppression | 178,648 | 7.7% | 30,014 | 16.8% | 15,691 | 8.8% |
Severe mental illness | 39,513 | 1.7% | 7,038 | 17.8% | 3,684 | 9.3% |
Peripheral vascular disease | 14,453 | 0.6% | 5,266 | 36.4% | 3,664 | 25.4% |
Stroke or TIA | 44,239 | 1.9% | 13,880 | 31.4% | 8,712 | 19.7% |
Total | 2,311,282 | 164,046 | 53,156 | |||
