Table 4 Risk factor of post-operative clinical outcome of CABG with ultrafiltration versus OPCAB by univariable and multivariable risk regression

1.92

0.345

0.49–7.49

2.99

 < 0.001

2.12–4.22

2.46

 < 0.001

1.59–3.80

1.41

0.002

1.13–1.76

1.44

0.020

1.05–1.97

2.04

0.559

0.18–22.1

3.39

0.058

0.96–12.0

4.24

0.060

0.93–19.15

2.13

0.079

0.92–4.97

1.27

0.156

0.91–1.77

2.04

0.405

0.38–10.89