Skip to main content

Table 2 In-hospital mortality meta-regression results

From: The prognostic significance of postoperative hyperbilirubinemia in cardiac surgery: systematic review and meta-analysis

Covariate Study count Co-efficient 95% CI p value
Clamp time* 8 0.0556 0.0334–0.0778  < 0.0001
Transfusion Units* 8 0.6928 0.3393–1.0463 0.0001
Study year 12 − 0.037 − 0.1131 to 0.0390 0.3402
Age 10 0.0249 − 0.0647 to 0.1145 0.5864
Sex (Male) 10 − 2.7767 − 10.3351 to 4.7817 0.4715
Bilirubin threshold 12 1.0256 − 0.6223 to 2.6734 0.2225
Bilirubin monitoring period 7 0.1577 − 0.1212 to 0.4365 0.2678
CPB time 11 0.0159 − 0.0108 to 0.0427 0.2431
CABG proportion 12 − 0.2853 − 2.8252 to 2.2547 0.8258
Pre-operative liver disease 5 − 7.4876 − 16.3865 to 1.4113 0.0991
  1. CABG Coronary artery bypass graft, CPB Cardiopulmonary bypass
  2. *Significant effect modifiers