Parameter | Univariate | Multivariable |
---|---|---|
Hazard ratio (95% CI) | Hazard ratio (95% CI) | |
Sex | ||
Male | Ref | Ref |
Female | 1.20 (0.59, 2.45) | 1.41 (0.69, 2.88) |
Number of procedures | ||
1 | Ref | Ref |
2 | 0.67 (0.16, 2.80) | 0.51 (0.11, 2.29) |
3 | 0.53 (0.20, 1.38) | 0.62 (0.20, 1.92) |
4 | 0.89 (0.30, 2.59) | 1.18 (0.35, 3.98) |
5 | 2.26 (0.92, 5.56) | 3.03 (0.94, 9.75) |
6 | 1.21 (0.39, 3.79) | 1.41 (0.37, 5.37) |
7 + | 0.41 (0.11, 1.53) | 0.50 (0.13, 1.86) |
Diabetes without chronic complications | ||
No | Ref | Ref |
Yes | 2.88 (1.86, 4.44) | 3.65 (0.97, 13.72) |
Renal failure | ||
No | Ref | Ref |
Yes | 2.88 (1.86, 4.44) | 5.11 (1.37, 19.14) |