Cox proportional model of univariate and multivariate analysis of mortality in South Asians versus Caucasians after PCI
| Variable | Comparator | Univariate (age adjusted) | Multivariate* |
| Age (increase by 10 years) | 1.95 (1.81 to 2.11) | 1.99 (1.82 to 2.15) | |
| Female | Male | 0.85 (0.72 to 1.00) | 0.98 (0.81 to 1.18) |
| South Asian | Caucasian | 1.23 (1.01 to 1.51) | 0.96 (0.75 to 1.23) |
| Hypertensive | Non-hypertensive | 0.96 (0.83 to 1.11) | NA |
| Diabetic | Non-diabetic | 1.62 (1.37 to 1.90) | 1.42 (1.17 to 1.74) |
| Hyperlipidaemia | Non-hyperlipidaemia | 0.94 (0.81 to 1.10) | NA |
| Smoker | Non-smoker | 1.20 (0.94 to 1.53) | NA |
| Previous MI | No previous MI | 1.46 (1.25 to 1.71) | 1.24 (1.02 to 1.49) |
| Previous CABG | No previous CABG | 1.95 (1.74 to 2.42) | 1.38 (1.06 to 1.81) |
| Previous PCI | No previous PCI | 1.06 (0.87 to 1.28) | NA |
| CRF | Non-CRF | 4.94 (3.71 to 6.59) | 3.12 (2.36 to 4.27) |
| EF (by single % point) | 0.99 (0.99 to 1.00) | 0.99 (0.99 to 1.00) | |
| ACS | Elective | 1.75 (1.49 to 2.05) | 1.78 (1.50 to 2.1) |
| Glycoprotein IIb/IIIa | No glycoprotein IIb/IIIa | 1.13 (0.97 to 1.32) | NA |
↵* Adjusted for age, sex, ethnicity, diabetes mellitus, ACS, previous MI, previous CABG, CRF, EF.
ACS, acute coronary syndrome; CABG, coronary artery bypass grafting; CRF, chronic renal impairment; EF, ejection fraction; MI, myocardial infarction; PCI, percutaneous coronary intervention.