Table 3 The characteristics of the patients in the sputum study
From: Glutathione S-transferase omega in the lung and sputum supernatants of COPD patients
Non-smoker N = 6 | Smoker N = 5 | COPD N = 15 | p-value | |
|---|---|---|---|---|
Age, years | 59 (3) | 52 (6) | 63 (8) | 0.06 |
Sex M:F | 4:2 | 4:1 | 8:7 | 0.103 |
Pack-years | 0 | 28 (11) | 47 (12) | 0.000 |
FEV1 %predicted | 107 (6) | 102 (15) | 62 (18) | 0.001 |
FEV1/FVC % | 83 (5) | 82 (5) | 64 (10) | 0.001 |
MEF50 %pred | 99 (12) | 103(12) | 31 (19) | 0.001 |
DCO %pred | 96(10) | 84 (13) | 65 (12) | 0.001 |
DCO/VA %pred | 101 (12) | 102 (6) | 76 (17) | 0.003 |