Table 1. Clinical, radiological and physiological characteristics of the patients.
| Patients characteristics | |
|---|---|
| n | 188 |
| Age (years) | 65 ± 8 |
| Follow up (months) | 83 ± 42 |
| Gender (%) male/female | 82/18 |
| Pack-year (units) | 51 ± 27 |
| Current Smoker (%) yes/no | 35/65 |
| FEV1/FVC (%) | 55 ± 10 |
| FEV1% | 70 ± 20 |
| FVC % | 98 ± 20 |
| TLC % | 102 ± 15 |
| DLCO | 70 ± 20 |
| MMRC 0-1-2-3-4 (%) | 36-41-1-8-2 |
| 6MWD (m) | 468 ± 112 |
| BMI (Kg/m2) | 26 ± 4 |
| BODE Quart 1–4 (%) | 80/10/8/2 |
| BODE | 1.3 ± 1.8 |
| Spirometric GOLD stages I-II-III-IV % | 36, 48, 14, 2 |
| Exacerbations in the year prior to enrollment n | 0.7 ± 0.9 |
| Pulmonary Artery diameter mm | 24.7 ± 4.1 |
| Pulmonary Artery diameter≥30mm n, % | 22, 12% |
| Pulmonary Artery diameter≥30mm by GOLD I+II / III+IV % | 10/23 |
| Pulmonary Artery/Aorta Artery ratio | 0.69 ± 0.11 |
| Pulmonary Artery/Aorta Artery ratio >1 n, % | 3, 0.01% |
| Pulmonary Artery/Aorta Artery ratio quartiles % | 29-21-30-20 |
| Emphysema severity (visual) 0-1-2-3% | 46-24-20-10 |
| Deaths n, % | 43, 23% |
| Deaths by GOLD I+II / III+IV % | 22/30 |
n = Number of participants; BMI = Body Mass Index; FEV1 = Forced Expiratory Volume in the first second; FVC = Forced Vital Capacity; TLC = Total Lung Capacity; MMRC = Modified Medical research Council; 6MWD = 6 Minute Walk Distance; BODE index: BMI, Obstruction, Dyspnea, Exercise capacity, X ± SD = means ± Standard Deviation