Multivariable analysis of mortality to 30 days using Cox proportional hazards modelling, age and sex corrected
| Adjusted | ||
| HR (95% CI) | P value | |
| Age (25th vs 75th centile) | 3.24 (2.46 to 4.26) | <0.0001 |
| Sex (male) | 1.47 (1.15 to 1.88) | 0.002 |
| Ethnic group | ||
| Asian or Asian British | 1.48 (1.09 to 2.01) | 0.011 |
| Black or black British | 1.32 (0.96 to 1.84) | 0.090 |
| Mixed and other ethnic groups | 0.90 (0.49 to 1.65) | 0.733 |
| White | Reference | – |
| IMD quintile | ||
| 1 (most deprived) | 0.79 (0.55 to 1.14) | 0.213 |
| 2 | 0.79 (0.54 to 1.15) | 0.218 |
| 3 | 0.88 (0.61 to 1.27) | 0.503 |
| 4 | 0.77 (0.53 to 1.12) | 0.176 |
| 5 (least deprived) | Reference | – |
| Smoking | 1.56 (1.13 to 2.17) | 0.008 |
| BMI ≥30 kg/m2 | 1.42 (1.09 to 1.85) | 0.009 |
| Diabetes | 1.29 (1.00 to 1.67) | 0.055 |
| HTN | 1.32 (0.92 to 1.89) | 0.131 |
| CKD | 1.34 (1.04 to 1.73) | 0.023 |
Variables included IMD quintile, smoking, BMI ≥30 kg/m2, diabetes. Censored to 30 days follow up, observations 1006, events 281.
BMI, body mass index; CKD, chronic kidney disease; HTN, hypertension; IMD, Index of Multiple Deprivation.