Table 2.
Baseline characteristics of the COPD subgroup Subjects *
| Smoke ≧ 40 pack-year(n = 13) | Smoke < 40 pack-year(n = 23) | |
|---|---|---|
| Height (cm) | 163.00 ± 6.02(163.00) | 166.52 ± 6.17(167.00) |
| Age (year) | 68.31 ± 11.11(74.00) | 56.09 ± 20.50(61.00) |
| Weight (kg) | 66.08 ± 12.70(60.00) | 64.00 ± 12.58(65.00) |
| FVC_volume (L) | 2.73 ± 0.96(2.36) | 3.26 ± 1.10(3.38) |
| FVC% | 92 ± 22(95) | 98 ± 27(100) |
| FEV1_volum (L) | 1.62 ± 0.84(1.32) | 2.06 ± 1.20(1.43) |
| FEV1% | 70 ± 31(63) | 76 ± 41(59) |
| FEV1/FVC% | 45.80 ± 30.02(30.00) | 48.21 ± 24.77(32.40) |
| Smoking(pack-years) | 53.85 ± 7.68(60.00) | 23.26 ± 9.37(30.00) |
| Sex (M/F) | 11/2 | 20/3 |
| Medication (No) | ||
| Oral corticosteroid | 0 | 0 |
| Inhaled corticosteroid | 2 | 1 |
| Short-acting beta-adrenergic-receptor agonist | 2 | 2 |
| Theophylline | 0 | 0 |
| Oxygen | 1 | 0 |
*COPD denotes chronic obstructive pulmonary disease, FEV 1 forced expiratory volume in one second, FVC forced vital capacity, pack-years the number of cigarettes smoked per day, or 20 cigarettes, multiplied by the number of years of smoking. Plus-minus values are means ± SE(Mediam)