Table 2.
Univariate and multivariate analysis for independent predictors of valve-related complications and mortality
|
Variables |
Valve-related complications |
Overall mortality |
||
|---|---|---|---|---|
| |
Univariate |
Multivariate |
Univariate |
Multivariate |
| (P value) | HR[95% CI], P value | (P value) | HR[95% CI], P value | |
| < 65 years |
0.165 |
3.4[0.6-8.1], 0.320 |
0.108 |
1.6[0.8-2.7], 0.245 |
| ≥ 65years |
0.087 |
0.9[0.2-1.6], 0.194 |
0.047 |
1.3[1.0-1.7], 0.071 |
| Sex: male |
0.548 |
- |
0.876 |
- |
| Body mass index |
0.265 |
- |
0.178 |
- |
| I/II |
0.374 |
- |
0.217 |
- |
| III/IV |
0.081 |
1.5[0.9-2.8], 0.075 |
0.098 |
1.4[1.0-1.6], 0.059 |
| >50% |
0.727 |
- |
0.324 |
- |
| 35%-50% |
0.165 |
2.0[1.1-3.7], 0.234 |
0.061 |
1.3[0.9-1.7], 0.088 |
| <35% |
0.071 |
1.3[0.7-1.9], 0.128 |
<0.001 |
2.0[1.1-3.7], 0.021 |
| >0.85 cm2/m2 |
0.791 |
- |
0.564 |
- |
| >0.65 to <0.85 cm2/m2 |
0.108 |
1.2[0.9-1.4], 0.144 |
0.145 |
1.2[0.9-1.6], 0.188 |
| Atrial fibrillation |
0.013 |
1.1[0.5-2.7], 0.088 |
0.076 |
1.3[0.2-2.2], 0.064 |
| Congestive heart failure |
0.102 |
1.6[0.7-2.9], 0.268 |
0.128 |
2.2[0.6-2.1], 0.091 |
| Renal insufficiency |
0.041 |
2.3[0.8-4.3], 0.099 |
0.027 |
1.6[0.3-3.3], 0.054 |
| Hypertension |
0.323 |
- |
0.279 |
- |
| Diabetes mellitus |
<0.001 |
3.2[1.8-6.4], 0.015 |
<0.001 |
3.8[2.0-5.9], 0.002 |
| Chronic lung disease |
0.094 |
1.7[0.6-3.3], 0.102 |
0.211 |
1.6[0.1-1.8], 0.069 |
| Concomitant CABG |
0.072 |
1.6[0.8-4.1], 0.109 |
0.033 |
3.1[0.9-8.7], 0.084 |
| CPB time (min) |
0.382 |
1.0[0.8-1.2], 0.502 |
0.089 |
1.6[0.8-2.3], 0.069 |
| Cross-clamp time (min) | 0.687 | 1.0[0.3-3.5], 0.751 | 0.139 | 1.5[1.1-2.1], 0.078 |
CABG, coronary artery bypass grafting; CI, confidence intervals; HR, hazard ratio; other abbreviations as in Tables 1.