Crude and adjusted hazard ratios for 5-year outcomes in the matched cohort using the non–First Nations group as the reference group
| Variable | No. (%) of patients | Hazard ratio (95% CI) | |||
|---|---|---|---|---|---|
| First Nations n = 277 | Non–First Nations n = 277 | Crude | Adjusted* model 1 | Adjusted† model 2 | |
| All-cause mortality‡ | 73 (26.4) | 26 (9.4) | 1.43 (0.65–3.16) | 1.43 (0.64–3.20) | 1.42 (0.64–3.14) |
| Cardiovascular mortality‡ | 36 (13.0) | 13 (4.7) | 2.66 (0.85–8.30) | 2.73 (0.87–8.51) | 2.64 (0.86–8.10) |
| All-cause hospital admission‡ | 214 (77.3) | 145 (52.3) | 1.41 (0.99–2.00) | 1.41 (0.99–2.00) | 1.39 (0.97–1.99) |
| Acute MI‡ | 38 (13.7) | 18 (6.5) | 3.05 (1.45–6.41) | 3.01 (1.42–6.39) | 3.03 (1.40–6.55) |
| Congestive heart failure | 16 (5.8) | 9 (3.2) | 3.86 (1.37–10.83) | 3.86 (1.38–10.82) | 3.84 (1.37–10.78) |
| Ischemic heart disease‡ | 80 (28.9) | 53 (19.1) | 1.77 (0.99–3.15) | 1.75 (0.99–3.12) | 1.77 (0.99–3.18) |
| Stroke | 11 (4.0) | 6 (2.2) | 3.06 (0.82–11.44) | 3.12 (0.83–11.67) | 3.07 (0.81–11.65) |
| PCI§ | 117 (42.2) | 118 (42.6) | 0.91 (0.64–1.30) | 0.89 (0.63–1.25) | |
| CABG§ | 51 (18.4) | 35 (12.6) | 1.54 (0.74–3.19) | 1.29 (0.61–2.70) | |
Note: CABG = coronary artery bypass graft, CI = confidence interval, MI = myocardial infarction, PCI = percutaneous coronary intervention.
↵* Adjusted for time-varying composite revascularization variable.
↵† Adjusted for time-varying composite revascularization variable and SYNTAX Score.
↵‡ p = 0.05 as assessed by χ2.
↵§ Adjusted models do not include time-varying composite revascularization variable.