. 2020 Dec 21;32(3):386–394. doi: 10.1093/icvts/ivaa266

Table 2:

Direct and total effects of study variables on anaemia, RBC transfusion and 5-year mortality in model C

Variables	Direct effect coefficients^a	Total effect coefficients^a
Effects on anaemia
Age	0.15^*	0.15^*
Female sex	0.04^*	0.04^*
Body mass index	−0.13^*	−0.13^*
Diabetes	0.12^*	0.12^*
Pulmonary disease	0.06^*	0.06^*
Creatinine level	0.18^*	0.18^*
Smoker	0.01	0.01
Effects on RBC transfusion
Preoperative anaemia	0.29^*	0.29^*
Operative blood loss	0.09^*	0.09^*
Age	0.13^*	0.17^*
Female sex	0.28^*	0.30^*
Body mass index	−0.12^*	−0.15^*
Diabetes	0.03^*	0.06^*
Pulmonary disease	0.03^*	0.04^*
Creatinine level	0.06^*	0.11^*
CPB time	0.20^*	0.23^*
EuroSCORE II operation category	0.04^*	0.03^*
Smoker	Not applicable	0.003
Effects on 5-year mortality
RBC transfusion	0.03^*	0.03^*
Preoperative anaemia	0.09^*	0.10^*
Operative blood loss	0.06^*	0.06^*
Age	0.13^*	0.15^*
Female sex	−0.02	−0.01
Body mass index	−0.04^*	−0.06^*
Diabetes	0.05^*	0.06^*
Pulmonary disease	0.10^*	0.11^*
Creatinine level	0.10^*	0.12^*
CPB time	0.01	0.04^*
EuroSCORE II operation category	0.05^*	0.04^*
Smoker	0.04^*	0.04^*

All coefficients are standardized, i.e. numbers correspond to effects when all variables are measured in the same scale.

CPB: cardiopulmonary bypass; RBC: red blood cell.

P-value <0.05.