Table 1.
General characteristics of subjects
| Mean | Min | Max | Standard deviation | |
|---|---|---|---|---|
| N (M/F) | 693 (589/104) | |||
| Age, years | 71 | 41 | 95 | 9 |
| BMI | 28.08 | 14.69 | 57.27 | 5.68 |
| Smoker, former smoker, or never smoker, n (%) | 161 (23.3), 438 (63.20), 94 (13.56) | |||
| Pack-year | 35.15 | 0.00 | 210.00 | 33.93 |
| FEV1% | 59.08 | 16 | 115 | 20.13 |
| FVC% | 79.08 | 21 | 144 | 21.46 |
| FEV1/FVC | 55.84 | 19.00 | 70.00 | 10.81 |
| CAT | 15.53 | 0.00 | 39.00 | 8.59 |
| mMRC | 2.92 | 1.00 | 5.00 | 1.15 |
| Barthel scale | 18.64 | 6.00 | 20.00 | 2.64 |
| <2 exacerbations/year, n (%) | 452 (65.30) | |||
| ≥2 exacerbations/year, n (%) | 241 (34.70) | |||
| Vaccination influenza virus, n (%) | 316 (45.70) | |||
| Vaccination pneumococcus, n (%) | 164 (23.80) | |||
| GOLD classification, n (%) | ||||
| A | 142 (20.60) | |||
| B | 238 (32.30) | |||
| C | 41 (5.90) | |||
| D | 272 (39.20) | |||
Abbreviations: Min, minimum; Max, Maximum; M, male; F, female; BMI, body mass index; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; GOLD, Global initiative for chronic Obstructive Lung Disease.