From: The role of the liver X receptor in chronic obstructive pulmonary disease
 | 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 |
FEV 1 (L) | 2.3 (0.7) | 2.4 (0.8) | 1.7 (0.5) |
FEV 1 % 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) |
FEV 1 /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 |