Table 1 Baseline characteristicsa
|  | Overall population (N = 338) |
|---|---|
Age (years), mean (SD) | 57.5 (10.6) |
 ≥40 years, n (%) | 321 (95) |
 < 40 years, n (%) | 17 (5) |
Male, n (%) | 178 (53) |
Ethnicity n, (%) | |
 Hispanic/Latino | 13 (4) |
 Not Hispanic/Latino | 325 (96) |
Body mass index (kg/m2), mean (SD) | 27.9 (5.0) |
Primary diagnosis, n (%) | |
 Asthma | 183 (54) |
 COPD | 155 (46) |
Smoking status, n (%) | |
 Never | 125 (37)b |
 Former | 129 (38) |
 Current | 84 (25) |
Pack yearsc, mean (SD) | 24.4 (21.8) |
Pre-bronchodilator FEV1 (L), mean (SD) | 1.57 (0.5) |
Pre-bronchodilator FEV1 (% predicted), mean (SD) | 51.0 (8.2) |
Post-bronchodilator FEV1 (% predicted), mean (SD) | 64.8 (7.7) |
Pre-bronchodilator FEV1/FVC (%), mean (SD) | 50.5 (8.1) |
Post-bronchodilator FEV1/FVC, (%), mean (SD) | 55.5 (7.8) |
FEV1 reversibility (mL), mean (Sd) | 423.0 (184.0) |
E-RS Total score (range: 0–40), mean (SD) | 10.7 (6.1) |
SGRQ Total score (range: 0–100), mean (SD) | 44.0 (15.3) |
 SGRQ Activity score (range: 0–100), mean (SD) | 53.7 (18.5) |
 SGRQ Impacts score (range: 0–100), mean (SD) | 33.7 (17.0) |
 SGRQ Symptoms score (range: 0–100), mean (SD) | 60.0 (19.4) |
mMRC dyspnea scale score (range: 0–4), mean (SD) | 1.8 (0.7) |
 0–1, n (%) | 114 (34) |
  ≥ 2, n (%) | 224 (66) |
Blood eosinophils, n (%) | |
  < 0.15 GI/L | 135 (42) |
  ≥ 0.15 GI/L | 183 (58) |
Wheeze score (range: 0–4), mean (SD) | 0.9 (0.8) |