Association of ethnic group with mortality to 30 days using Cox proportional hazards modelling, age and sex corrected
| n | Unadjusted | P value | ||
| Total | Events | HR (95% CI) | ||
| Age (25th vs 75th centile) | – | – | 4.50 (3.74 to 5.42) | <0.0001 |
| Sex (male) | – | – | 1.55 (1.28 to 1.87) | <0.0001 |
| Ethnic group | ||||
| Asian or Asian British | 521 | 134 | 1.49 (1.19 to 1.86) | <0.001 |
| Black or black British | 331 | 94 | 1.30 (1.02 to 1.65) | 0.036 |
| Mixed and other ethnic groups | 150 | 34 | 1.08 (0.75 to 1.57) | 0.682 |
| White | 674 | 206 | Reference | – |
Censored to 30 days follow-up, observations 1737, events 478.