Table 2 Multiple regression model to predict postoperative stay > 5 days after cardiac surgery.

From: Safe and effective protocol for discharge 3 days after cardiac surgery

Explanatory variable

Coefficient

Standard error coefficient

OR

95% CI

P value

Female gender

0.71

0.23

2.03

1.29–3.21

0.002a

Preoperative atrial fibrillation

0.97

0.47

2.64

1.04–6.66

0.040a

Urgency procedure

0.54

0.22

2

1.10–2.66

0.017a

STS risk score

0.38

0.12

1.47

1.15–1.87

0.002a

Postoperative atrial fibrillation

1.64

0.36

5.16

2.57–10.34

 < 0.001a

Renal failure

2.44

0.77

11.45

2.53–51.90

 < 0.002a

  1. a P value < 0.05; CI: confidence interval.
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