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Table 3 Odds ratios and 95% CIs for multilevel logistic models estimating 30-day in-hospital mortality by ST-segment elevation

From: 30-day in-hospital mortality after acute myocardial infarction in Tuscany (Italy): An observational study using hospital discharge data

  STEMI NSTEMI
Hierarchical null model Hierarchical model without presence of a cardiac catheterisation lab. Hierarchical model with presence of a cardiac catheterisation lab. Hierarchical null model Hierarchical model without presence of a cardiac catheterisation lab. Hierarchical model with presence of a cardiac catheterisation lab.
Patients Characteristics       
Gender (male vs. female) 1.15 (0.86–1.52) 1.14 (0.86–1.51) 1.02 (0.74–1.40) 1.01 (0.74–1.39)
Age (years) 1.08 (1.06–1.09) 1.08 (1.06–1.09) 1.11 (1.09–1.13) 1.11 (1.09–1.14)
History of COPD 2.89 (1.51–5.53) 2.67 (1.40–5.11) 1.75 (1.02–3.03) 1.73 (1.00–2.99)
History of diabetes 1.65 (1.02–2.67) 1.64 (1.01–2.65)
History of cerebrovascular diseases 1.79 (1.08–2.97) 1.80 (1.09–2.98)
Cerebrovascular diseases 1.86 (1.13–3.07) 1.81 (1.10–2.98)
History of tumours 3.08 (1.70–5.58) 2.93 (1.62–5.32) 2.49 (1.34–4.65) 2.50 (1.34–4.67)
Vascular diseases 2.05 (1.17–3.59) 2.05 (1.17–3.58)
History of other forms of ischemic heart diseases 0.54 (0.33–0.86) 0.54 (0.34–0.86)
History of heart failure 1.87 (1.21–2.89) 1.87 (1.21–2.88)
Hospital Characteristic       
Presence of cardiac catheterisation lab. 0.59 (0.42–0.85) 0.89 (0.65–1.20)
Hospital Variance       
σ 2 (p-value)* 0.42 (<0.001) 0.17 (0.002) 0.08 (0.046) <0.01 (1.000) <0.01 (1.000) <0.01 (1.000)
Goodness of fit       
Pseudo R 2 0.27 0.29 0.37 0.37
Wald χ 2 (p-value) 162.44 (<0.001) 174.44 (<0.001) 151.59 (<0.001) 152.17 (<0.001)
AIC 1,749.24 1,554.80 1,549.84 1,464.31 1,273.26 1,274.64
BIC 1,753.46 1,567.69 1,564.34 1,467.36 1,288.52 1,291.43
  1. * p-value from LR (likelihood ratio) test vs. logistic regression of σ 2 = 1.