Overall hospital mortality was 1.4% (109 deaths), but among never smokers the rate was 0.4% compared with 1.5% in smokers.
Patients who had stopped smoking more than a year before surgery still had a higher risk for perioperative mortality compared with never smokers, but the difference was no longer statistically significant (OR 2.5, 95% CI 0.82 to 7.6, P=0.17).
Among smokers, the rate of pulmonary complications including re-intubation, pneumonia, acute respiratory distress syndrome, and ventilation was 2.6% versus 2% among never smokers, Dr. Subramanian said.
But the increased risk of pulmonary complications diminished relatively quickly so that there was no statistically significant increase among those who stopped smoking a month or more before surgery.
Read the rest of this article at Med Page Today.
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