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

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

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

AADS Stanford type A acute aortic dissection surgery; CI confidence interval; OR odds ratio; POP postoperative pneumonia

ISSN: 1749-8090