“…While there are studies suggesting that smoking should be stopped at least eight weeks before operations to minimize postoperative complications 11 , 12 , Warner et al 13 reported that smokers who quit smoking six months before an operation would be similar to non-smokers in terms of postoperative complications. Zhao et al 14 found that preoperative smoking cessation at least three weeks before surgery led to better postoperative pain outcomes, whereas Kamma et al 15 showed that patients who quit smoking at least one month preoperatively had better pain scores than current smokers. Based on these findings, in the present study, those who had not smoked for six months prior to the tympanomastoidectomy were included in the group consisting of non-smokers (Group 2).…”