Univariate and multivariate analysis of variables predicting 30-day mortality
| Univariate analysis | Multivariate analysis | |||
| Variable | OR (95% CI) | P value | OR (95% CI) | P value |
| Age | 0.99 (0.96 to 1.04) | 0.78 | ||
| Gender | 1.16 (0.44 to 3.10) | 0.76 | ||
| CCI ≥7 vs <7 | 1.40 (1.22 to 1.61) | 0.04 | 0.53 (0.19 to 1.52) | 0.23 |
| Serum bilirubin | 0.99 (0.98 to 1.01) | 0.18 | ||
| Albumin ≥35 vs <35 | 0.98 (0.24 to 4.01) | 0.98 | ||
| White cell count ≥12 vs white cell count <12 | 4.07 (1.30 to 12.75) | 0.01 | 4.12 (2.70 to 7.41) | 0.02 |
| Serum CRP ≥10 vs CRP <10 | 1.82 (0.37 to 9.03) | 0.46 | ||
| Technical success | 1.43 (0.37 to 5.64) | 0.61 | ||
| Unilateral versus bilateral stenting | 1.81 (0.67 to 4.88) | 0.24 | ||
| Postprocedural adverse events | 0.98 (0.35 to 2.76) | 0.97 | ||
| Postprocedural cholangitis | 0.58 (0.17 to 1.95) | 0.38 |
CCI, Charlson Comorbidity Index; CRP, C reactive protein.