Table 1.
Subject demographics for patients recruited undergoing lung resection
| NS | S | COPD | |
|---|---|---|---|
|
n |
23 |
41 |
45 |
|
Gold stage I |
n/a |
n/a |
9 |
|
Gold stage II |
n/a |
n/a |
33 |
|
Gold stage III |
n/a |
n/a |
3 |
|
Age (yrs) |
64.5 (11.4) |
63 (12.1) |
64.2 (7) |
|
Sex (M/F) |
7/16 |
20/21 |
19/26 |
|
FEV1 (L) |
2.3 (0.7) |
2.4 (0.8) |
1.7 (0.5) |
|
FEV1 % predicted |
102 (23.9) |
92.4 (14.1) |
68.3 (12.8) |
|
FVC (L) |
3 (0.8) |
3.3 (0.9) |
3.0 (0.9) |
|
FEV1/FVC ratio (%) |
73.3 (9) |
73.4 (7.9) |
58.9 (11.8) |
|
Pack year history |
0 |
41.7 (22.1) |
51.5 (23) |
|
Current smoker (%) |
0 |
70 |
89 |
| ICS users | 0 | 0 | 12 |
Data shown are mean (sd). NS: non-smokers, S: smokers, FEV1: forced expiratory volume in 1s, FVC: forced vital capacity, ICS: inhaled corticosteroid.