Table 1 Sociodemographic and clinical characteristics
Mpex | AZ 1 | AZ 2 | |
|---|---|---|---|
(N = 235)* | (N = 749)†| (N = 597)‡ | |
Age, mean (SD) | 63.7 (8.95) | 62.3 (8.25) | 61.7 (8.27) |
Gender, n (% Male) | 113 (48.1) | 572 (76.4) | 443 (74.2) |
Race/Ethnicity, n (%) | |||
 White | 214 (91.1) | 536 (71.6) | 592 (99.2) |
 Asian | 2 (0.9) | 212 (28.3) | 0 (0.0) |
 Black/African American | 18 (7.7) | 0 (0.0) | 0 (0.0) |
 Hispanic or Latino | 6 (2.6) | 2 (0.3) | 2 (0.3) |
FEV1, mean (SD)§ | 1.2 (0.58) | 1.7 (0.49) | 1.6 (0.52) |
FEV1% predicted, mean (SD) | 42.2 (18.10) | 58.8 (12.70) | 54.2 (15.36) |
GOLD¶ stage, n (%) | |||
 0 | 22 (9.4) | 0 (0.0) | 0 (0.0) |
 I | 2 (0.9) | 23 (3.2) | 22 (3.8) |
 II | 55 (23.4) | 503 (69.1) | 300 (51.9) |
 III | 89 (37.9) | 197 (27.1) | 240 (41.5) |
 IV | 66 (28.1) | 5 (0.7) | 16 (2.8) |
SGRQ total score∥ | 57.4 (16.21) | 52.6 (18.36) | 54.9 (17.14) |
Exercise test meters, mean (SD) | 289 (121)** | 392 (122)** | 337 (185)††|
RS-Total Score, mean (SD)††| 15.7 (5.93) | 15.9 (6.0) | 18.2 (5.99) |
 RS-Breathlessness | 8.2 (5.93) | 7.9 (3.17) | 8.9 (3.12) |
 RS-Cough and Sputum | 4.1 (2.08) | 4.2 (1.56) | 4.7 (1.60) |
 RS-Chest Symptoms | 3.3 (2.08) | 3.8 (1.93) | 4.6 (1.91) |