Quintile | OOHs procedures (%) | OOHs mortality rate (%) | IHs mortality rate (%) | Risk ratio (95% CI) |
---|---|---|---|---|
1 | 68.2 | 3.8 | 0.8 | 4.80 (0.61 to 37.94) |
2 | 64.5 | 4.8 | 5.8 | 0.82 (0.33 to 2.05) |
3 | 61.5 | 8.4 | 6.9 | 0.81 (0.38 to 1.71) |
4 | 57.5 | 7.7 | 7.6 | 1.02 (0.49 to 2.15) |
5 | 57.8 | 15.7 | 13.1 | 1.23 (0.70 to 2.18) |
Overall mantel Haenszel RR | 1.09 (0.77 to 1.55) |
IHs, in-hours; OOHs, out-of-hours; PPCI,primary percutaneous coronary intervention.