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Table 2 Hierarchical logistic model for 30-day mortality

From: Multi-level models for heart failure patients’ 30-day mortality and readmission rates: the relation between patient and hospital factors in administrative data

Variable

Estimate

Standard

Error

P-value

Odds Ratio

95% Confidence

Intercept

−2.12

0.08

<.0001

Age (5 years)

0.39

0.009

<.0001

1.48

1.46–1.50

Sex (Female Vs. Male)

−0.14

0.02

<.0001

0.87

0.83–0.91

Length of Stay (5 days)

0.03

0.008

0.0016

1.03

1.01–1.04

Comorbidity weight

0.17

0.008

<.0001

1.19

1.17–1.21

Number of previous admissions

0.28

0.02

<.0001

1.32

1.28–1.36

Admission ward

 IC or CICa vs. Cardiac

−1.06

0.04

<.0001

3.06

2.76–3.39

 Other vs. Cardiac

0.06

0.04

0.163

2.89

2.66–3.15

 % of surgical DRGsa

0.001

0.0003

0.0006

1.001

1.000–1.002

Type of structure

 Research hospitals vs. non-research public hospitals

0.28

0.09

0.0017

0.62

0.48–0.80

 Non-research private hospitals vs. non-research hospitals

−0.19

0.14

0.16

0.75

0.63–0.90

  1. aIC Intensive Care, CIC Cardiac Intensive Care, DRGs Diagnosis Related Groups