Previous conditions in 54 484 patients with out-of-hospital cardiac arrest
| Var | Men | Women | P value | SMD |
| n | 35 894 | 18 590 | ||
| Previous conditions (%) | ||||
| Hypertension | 15 637 (43.6) | 8782 (47.2) | <0.001 | 0.074 |
| Heart failure | 8470 (23.6) | 3927 (21.1) | <0.001 | 0.059 |
| Chronic ischaemic heart disease | 8462 (23.6) | 2765 (14.9) | <0.001 | 0.222 |
| Atrial fibrillation | 7899 (22.0) | 3277 (17.6) | <0.001 | 0.110 |
| Type 2 diabetes | 7053 (19.6) | 3353 (18.0) | <0.001 | 0.041 |
| Dyslipidaemia | 6154 (17.1) | 2393 (12.9) | <0.001 | 0.120 |
| Angina including unstable angina | 6100 (17.0) | 2229 (12.0) | <0.001 | 0.143 |
| Acute myocardial infarction | 5299 (14.8) | 2034 (10.9) | <0.001 | 0.114 |
| Chronic obstructive pulmonary disease | 3721 (10.4) | 2711 (14.6) | <0.001 | 0.128 |
| Renal failure | 3790 (10.6) | 1628 (8.8) | <0.001 | 0.061 |
| Thrombotic stroke | 3120 (8.7) | 1642 (8.8) | 0.593 | 0.005 |
| Alzheimer’s dementia | 2199 (6.1) | 1885 (10.1) | <0.001 | 0.147 |
| Type 1 diabetes mellitus | 2599 (7.2) | 1222 (6.6) | 0.004 | 0.026 |
| Subarachnoid haemorrhage | 2483 (6.9) | 1251 (6.7) | 0.420 | 0.007 |
SMD, standardised mean difference.