Table 4 Patient characteristics in the thoracic surgery and non-thoracic surgery groups
|  | All cases (n = 185) | Non-surgery (n = 50) | Surgery (n = 135) | p value |
|---|---|---|---|---|
Cases | 100 (185) | 27.0 (50) | 73.0 (135) | 0.0001 # |
Age, years a | 70.3 (39–88) | 74.6 (62–80) | 68.7 (39–86) | 0.0001 # |
Sex, male | 72.4 (134) | 76.0 (38) | 71.1 (96) | 0.581 |
History of smoking | 78.9 (213) | 82.0 (41) | 77.0 (104) | 0.549 |
COPD diagnosed b | 49.7 (92) | 66.0 (33) | 43.7 (59) | 0.012 # |
COPD managed c | 9.2 (17) | 20.0 (10) | 5.2 (7) | 0.004 # |
COPD-related systemic comorbidities | 57.3 (106) | 60.0 (30) | 56.3 (76) | 0.739 |
Diabetes | 20.0 (37) | 30.0 (15) | 16.3 (22) | 0.061 |
Ischemic disease | 7.6 (14) | 10.0 (5) | 6.7 (9) | 0.532 |
Hypertension | 40.5 (75) | 40.0 (20) | 40.7 (55) | 1.000 |
Hyperlipidemia | 11.4 (21) | 10.0 (5) | 11.8 (16) | 0.799 |