From: Chronic Airways Assessment Test: psychometric properties in patients with asthma and/or COPD
Variable | Asthma (N = 510) | Asthma + COPD (N = 510) | COPD (N = 510) | Total sample (N = 1530) |
---|---|---|---|---|
Age, years, mean (SD) | 54.6 (15.7) | 65.2 (9.9) | 67.3 (9.6) | 62.4 (13.3) |
Female, n (%) | 328 (64.3) | 240 (47.1) | 203 (39.8) | 771 (50.4) |
Ethnicity, n (%) | ||||
African American | 15 (2.9) | 17 (3.3) | 15 (2.9) | 47 (3.1) |
Caucasian | 367 (72.0) | 398 (78.0) | 441 (86.5) | 1206 (78.8) |
North-east Asian | 82 (16.1) | 76 (14.9) | 35 (6.9) | 193 (12.6) |
South-east Asian | 9 (1.8) | 5 (1.0) | 1 (0.2) | 15 (1.0) |
Other | 37 (7.3) | 14 (2.7) | 18 (3.5) | 69 (4.5) |
Time since diagnosis, years | ||||
Patients with data, n | 466 | 465 | 465 | 1396 |
Mean (SD) | 17.8 (16.1) | 21.0 (20.5) | 8.1 (9.1) | 15.6 (16.9) |
Physician-assessed severity,a n (%) | ||||
Mild | 181 (35.5) | 70 (13.7) | 151 (29.6) | 402 (26.3) |
Moderate | 190 (37.3) | 233 (45.7) | 142 (27.8) | 565 (36.9) |
Severe | 139 (27.3) | 207 (40.6) | 217 (42.5) | 563 (36.8) |
Post-bronchodilator FEV1 (% predicted) | ||||
Patients with data, n | 400 | 433 | 420 | 1253 |
Mean (SD) | 85.6 (20.5) | 66.7 (20.8) | 60.4 (23.6) | 70.6 (24.1) |
Post-bronchodilator FEV1/FVC (% predicted) | ||||
Patients with data, n | 400 | 431 | 419 | 1250 |
Mean (SD) | 91.8 (13.9) | 75.1 (18.1) | 71.5 (20.8) | 79.2 (19.9) |
SGRQ total scoreb | ||||
Patients with data, n | 500 | 502 | 501 | 1503 |
Mean (SD) | 29.6 (20.2) | 40.6 (22.2) | 41.7 (21.2) | 37.3 (21.9) |
EQ-5D-5L VAS scoreb | ||||
Patients with data, n | 434 | 451 | 450 | 1335 |
Mean (SD) | 74.4 (17.5) | 67.2 (20.0) | 64.8 (20.2) | 68.7 (19.7) |
CAAT total scorec | ||||
Patients with data, n | 510 | 510 | 510 | 1530 |
Mean (SD) | 13.7 (8.2) | 17.2 (8.6) | 16.9 (8.2) | 15.9 (8.5) |
CAT total scorec | ||||
Patients with data, n | NA | 37 | 46 | 83 |
Mean (SD) | NA | 15.1 (9.0) | 16.5 (9.2) | 15.9 (9.1) |
All NOVELTY patients who completed both the CAAT and CAT (N = 277)d | ||||
CAAT total scorec | ||||
Patients with data, n | NA | 66 | 211 | 277 |
Mean (SD) | NA | 16.6 (9.5) | 16.0 (8.8) | 16.2 (8.9) |
CAT total scorec | ||||
Patients with data, n | NA | 66 | 211 | 277 |
Mean (SD) | NA | 15.5 (9.8) | 15.0 (8.6) | 15.1 (8.9) |