
Keywords: مجاز خروج مجدد در 1 ثانیه; ASA; American Society of Anesthesiologists; CI; confidence interval; FEV1; forced expiratory volume in 1 second; FI; frailty index; OR; odds ratio; 6WMT; 6-minute walk test; TBM; tracheobronchomalacia; TBP; tracheobronchoplasty;