Table 3.

Clinical outcomes for current smokers and ex-smokers undergoing cardiac surgery

	OR (95% CI)	I2	P values
Mortality	0.99 (0.78 to 1.25)	18%	0.93
Pulmonary complications	1.44 (1.27 to 1.64)	45%	<0.00001
Pneumonia	1.62 (1.27 to 2.06)	67%	<0.0001
Renal complications	0.82 (0.70 to 0.96)	0%	0.01
Myocardial infarction	1.29 (0.95 to 1.75)	18%	0.1
Neurological complications	1.19 (0.94 to 1.52)	15%	0.15
Surgical site infections	1.14 (0.94 to 1.38)	0%	0.2
Intensive care unit length of stay	0.19* (–2.01 to 2.40)	63%	0.86

*Mean difference.