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Table 2

From: Risk factor analysis of pneumonias developing after open heart surgery

  P value Odds ratio (95% CI)
Age > 68 years 0.028 1.06 (1.0–1.12)
Emergency operation 0.017 4.9 (1.33–17.93)
Entubation time 0.001 2.0 (1.1–3.17)
Respiratory intervention 0.005 4.8 (1.33–22.31)
Reintubation 0.0001 14.47 (3.46–60.41)
Blood usage 0.015 1.4 (1.0–1.8)
Readmission to ICU 0.005 3.2 (1.93–11.02)