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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