Table 2 Univariate and multivariate analysis for independent predictors of valve-related complications and mortality

< 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