Table 1.
Baseline description of participants (n = 167).
| Total Sample (n = 167) | |
|---|---|
| Age (years) | 66.5 (SD 9.0) |
| Sex (men) | 135 (80%) |
| Charlson index: | |
| 1–3 | 132 (79%) |
| 4–6 | 28 (17%) |
| 7–9 | 7 (4%) |
| Dyspnea (mMRC scale) | 2.11 (SD 0.9) |
| Six-minute walking distance (m) | 396.7 (SD 113.4) |
| Six-minute walking distance (% pred) | 80.3 (SD 21.3) |
| BODE index | 3.1 (SD 2.1) |
| Body mass index (kg/m2) | 26.9 (SD 6.4) |
| Weight loss | 75 (45%) |
| Years living with COPD: | |
| ≥5 years | 138 (83 %) |
| ≤5 years | 29 (17%) |
| Smoking history: | |
| Smoker | 63 (37.9%) |
| Past smoker | 104 (62.1%) |
| Severity of airflow obstruction (according to GOLD): | |
| Moderate | 43 (25.4%) |
| Severe | 65 (38.5f%) |
| Very severe | 42 (32.1%) |
| Bioimpedance body composition: | |
| Fat-free mass (Kg) | 47.0 (SD 10.1) |
| Fat-free mass (% pred.) | 87.7 (SD 16.1) |
| Fat mass (Kg) | 26.8 (SD 12.5) |
| Fat mass (% pred.) | 149.6 (SD 74.0) |
| Water (L) | 38.4 (SD 8.2) |
| Water (% body weight) | 57.3 (SD 48.5) |
Abbreviations: mMRC: modified Medical Research Council; % pred.: percentage of predicted value; BODE: body mass index, airflow obstruction, dyspnea, and exercise; GOLD: Global Initiative for Chronic Obstructive Lung Disease; SD: standard deviation.