Parameter | Univariate logistic regression | Multivariate logistic regression |
---|---|---|
Odds ratio (95% CI) | Odds ratio (95% CI) | |
Sex | ||
Male | Ref | Ref |
Female | 0.44 (0.27, 0.71) | 0.51 (0.30, 0.87) |
Age | ||
1.01 (1.00, 1.03) | 1.03 (1.01, 1.05) | |
Number of procedures | ||
0 | Ref | Ref |
1 | 1.79 (0.77, 4.20) | 2.03 (0.88, 4.70) |
2 | 1.43 (0.50, 4.11) | 1.55 (0.54, 4.47) |
3 | 3.68 (1.41, 9.56) | 4.19 (1.61, 10.92) |
4 | 4.41 (1.61, 12.11) | 4.23 (1.52, 11.81) |
5 | 10.01 (3.89, 25.75) | 9.78 (3.72, 25.71) |
6 | 6.26 (2.11, 18.56) | 6.25 (1.98, 19.73) |
7 + | 25.74 (11.93, 55.54) | 27.29 (12.19, 61.09) |
Renal failure | ||
No | Ref | Ref |
Yes | 0.90 (0.46, 1.78) | 0.46 (0.23, 0.95) |
Congestive heart failure | ||
No | Ref | Ref |
Yes | 2.50 (1.53, 4.11) | 2.15 (1.19, 3.87) |
Hypertension | ||
No | Ref | Ref |
Yes | 0.81 (0.51, 1.30) | 0.61 (0.37, 1.03) |