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Table 2 Multivariable logistic regression model for operative risk mortality in patients with a risk > 25 % at the first stage

From: In search of the ideal risk-scoring system for very high-risk cardiac surgical patients: a two-stage approach

Factor

Regression coefficient

Odds ratio

95 % C.I.

P value

Pulmonary hypertension (>55 mmHg)

1.40

4.1

1.1 – 15.2

0.037

Anemia (HCT < 34 %)

1.31

3.7

1.3 – 10.8

0.017

Serum creatinine (mg/dL)

0.98

2.7

1.2 – 6.1

0.020

Emergency surgery

2.90

18.1

2.9 – 114

0.002

Constant

- 3.73

   
  1. C.I. confidence interval, HCT hematocrit