Skip to main content

Table 2 Preoperative factors associated with mediastinitis based on cohort analysis

From: Preoperative hospital length of stay as a modifiable risk factor for mediastinitis after cardiac surgery

Covariate Univariate OR (95% CI) Adjusted OR (95% CI)*
Age (per 10 years) 1.28 (1.06-1.53) NS
Parsonnet Score (per ln) 1.80 (1.34-2.40) NS
CHF 1.53 (1.04-2.25) NS
COPD 3.44 (2.24-5.30) 2.44 (1.55-3.84)
Diabetes 2.89 (1.96-4.24) 2.16 (1.44-3.24)
Hypertension 2.68 (1.63-4.41) NS
Left Main Disease 1.63 (1.03-2.59) NS
PVD 2.72 (1.64-4.50) NS
Obesity 4.33 (2.74-6.85) 2.59 (1.58-4.23)
Estimated GFR (ml/min/1.73 m2)   
≥60 Reference Reference
30-59 1.86 (1.20-2.90) 1.56 (1.00-2.45)
<30 3.53 (2.12-5.87) 2.41 (1.42-4.09)
Operative Status:   
Urgent vs elective 2.20 (1.40-3.46) NS
Emergent vs elective 1.44 (0.65-3.22) NS
Preoperative length of stay (per week) 1.17 (1.05-1.31) 1.15 (1.02-1.31)
  1. * Adjusted model includes all variables significant at the univariate level. Hosemer-Lameshow Goodness-of-Fit Test Chi-square=10.48, df=6, p-value=0.11.
  2. CHF congestive heart failure, COPD chronic obstructive pulmonary disease, ln natural log, OR odds ratio, PVD peripheral vascular disease, NS non-significant.