Table 1 Characteristics of patients experiencing in-hospital ward-based cardiac arrests and all hospital admissions
|  | In-hospital cardiac arrests (n = 21,595) | All Admissions (n = 13,059,865) |
|---|---|---|
Age category | ||
 Under 65 | 35,736,557 (16.6) | 7,558,437 (57.9) |
 65–74 | 4198 (19.4) | 1,953,500 (15.0) |
 75–84 | 7496 (34.7) | 2,127,250 (16.3) |
 85 and older | 6328 (29.3) | 1,420,677 (10.9) |
Not stated or missing | 0 | 1 |
Sex | ||
 Male | 12,143 (56.2) | 5,276,200 (40.4) |
 Female | 9452 (43.8) | 7,783,187 (59.6) |
Not stated or missing | 0 | 478 |
Ethnicity | ||
 White | 18,945 (87.7) | 10,922,469 (83.6) |
 Asian/Asian British | 752 (3.5) | 620,412 (4.8) |
 Black/Black British | 349 (1.6) | 314,316 (2.4) |
 Any other ethnic group | 232 (1.1) | 276,563 (2.1) |
 Not stated or missing | 1317 (6.1) | 926,105 (7.1) |
Deprivation (Index of Multiple Deprivation by decile) | ||
 Least deprived 10% | 1635 (7.6) | 1,048,095 (8.1) |
 Less deprived 10–20% | 1732 (8.0) | 1,123,433 (8.7) |
 Less deprived 20–30% | 2036 (9.5) | 1,204,167 (9.3) |
 Less deprived 30–40% | 2215 (10.3) | 1,282,332 (9.0) |
 Less deprived 40–50% | 2184 (10.1) | 1,272,685 (9.8) |
 More deprived 40–50% | 2192 (10.2) | 1,263,100 (9.8) |
 More deprived 30–40% | 2337 (10.9) | 1,328,799 (10.3) |
 More deprived 20–30%% | 2247 (10.4) | 1,360,653 (10.5) |
 More deprived 10–20% | 2246 (10.4) | 1,431,102 (11.1) |
 Most deprived 10% | 2705 (12.6) | 1,637,906 (12.7) |
 Missing | 66 | 107,593 |
Charlson index of comorbidity | ||
 No comorbidity | 3525 (16.3) | 6,636,490 (50.8) |
 One comorbidity | 6426 (29.8) | 3,382,501 (25.9) |
 Two comorbidities | 5863 (27.1) | 1,811,933 (13.9) |
 Three or more comorbidities | 5781 (26.8) | 1,228,941 (9.4) |
 Missing | 0 | 0 |
Admission method | ||
 Non-Emergency | 1777 (8.2) | 4,444,978 (34.0) |
 Emergency | 19,813 (91.8) | 8,613,205 (66.0) |
 Missing | 5 | 1682 |