Obstructive group (%FEV1 ≤ 70%, n = 22) | Non-obstructive group (%FEV1 > 70%, n = 33) | |||||
Age, changes | COPD (C-group, n = 22) Tiotropium | Smoker (S-group, n = 10) Tiotropium | Non-smoker (N-group, n = 23) Control | p value | ||
Mean ± SD | Mean ± SD | Mean ± SD | C-g vs S-g | C-g vs N-g | S-g vs N-g | |
Real Age | 74.2 ± 4.9 | 68.8 ± 6.3 | 64.4 ± 7.9 | 0.0174 | 0.0062 | 0.0673 |
Preoperative Lung Age | 89.2 ± 17.9 | 84.0 ± 19.0 | 60.2 ± 20.8 | 0.0041 | 0.0083 | 0.0579 |
(Preoperative Lung Age) - (Real Age) | 15.1 ± 17.8 | 15.2 ± 18.0 | −4.2 ± 20.4 | 0.3517 | 0.0464 | 0.0275 |
Postoperative Lung Age | 103.7 ± 17.4 | 98.4 ± 18.2 | 89.1 ± 16.8 | 0.0114 | 0.0054 | 0.0086 |
(Postopeartive Lung Age) - (Preoperative Lung Age) | 14.5 ± 13.1 | 14.4 ± 12.2 | 28.9 ± 12.7 | 0.2665 | 0.4810 | 0.0016 |
(Postopeartive Lung Age) - (Real Age) | 29.5 ± 18.0 | 25.8 ± 18.0 | 24.7 ± 17.0 | 0.0753 | 0.0427 | 0.1394 |