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Table 4 Tier 1 and 2 (combined) independent predictors of C-POMS summary score

From: Predictors of total morbidity burden on days 3, 5 and 8 after cardiac surgery

Variable D3 D5 D8 Combined over all time points
Effect B(se) p Effect B(se) p Effect B(se) p B(se) p
Pre-operative haemoglobin 1 SD increase −0.42 (0.11) <0.0001   −0.29 (0.12) 0.01      
12-h total drainage 1 SD increase 0.47 (0.10) <0.001   0.35 (0.10) 0.001     0.31 (0.09) 0.001
Pre-operative weight 1 SD increase 0.34 (0.10) 0.001   0.27 (0.11) 0.02     0.26 (0.09) 0.004
Extra-cardiac arteriopathy Yes: no 0.73 (0.34) 0.03   0.87 (0.35) 0.01     0.66 (0.31) 0.03
Age Per year 0.03 (0.009) 0.001        0.024 (0.009)  
Diabetes Yes: no 0.75 (0.23) 0.002   0.64 (0.27) 0.02     0.92 (0.22) <0.0001
Left ventricular ejection fraction Poor: good/fair 0.88 (0.43) 0.04   1.38 (0.45) 0.003      
CABG surgery Yes: no −1.17 (0.24) <0.0001   −1.02 (0.25) <0.0001     −1.06 (0.21) <0.0001
MVR surgery Yes: no 1.40 (0.54) 0.01         
Operative urgency Urgent: elective 0.48 (0.22) 0.03         
Chronic obstructive pulmonary disease Yes: no 0.77 (0.30) 0.01         
NYHA class     1 category increase 0.47 (0.24) 0.05      
Renal     Yes: no 2.46 (0.74) 0.001      
Pre-operative cardiomegaly     Yes: no 0.66 (0.32) 0.04     0.66 (0.28) 0.02
Pre-operative albumin        1 SD increase −0.43 (0.20) 0.04 −0.38 (0.09) <0.0001
Number of diseased vessels        Increase of 1 1.04 (0.36) 0.005   
Number of saphenous vein grafts        1 SD increase −0.66 (0.31) 0.04