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Table 3 Multivariate analysis of independent risk factors for POP after AADS

From: Development and validation of a risk prediction model for postoperative pneumonia in adult patients undergoing Stanford type A acute aortic dissection surgery: a case control study

Characteristic Coefficient OR (95% CI) P value
Age (years) 0.035 1.036 (1.009–1.062) 0.007
Smoking history 0.597 1.816 (1.073–3.073) 0.026
Renal insufficiency 0.910 2.484 (1.441–4.284) 0.001
Chronic obstructive pulmonary disease 1.659 5.252 (1.558–17.710) 0.007
White blood cell count (× 109/L) 0.083 1.087 (1.009–1.170) 0.027
Platelet count (× 109/L)  − 0.005 0.995 (0.991–0.999) 0.036
Transfusion of red blood cells (units) 0.209 1.232 (1.105–1.373)  < 0.001
Intercept  − 4.884 0.008  < 0.001
  1. AADS Stanford type A acute aortic dissection surgery; CI confidence interval; OR odds ratio; POP postoperative pneumonia