Table 1 Baseline demographics and maintenance medication use.
Demographic | All patients (N = 360) | Patients with exacerbations (n = 64) | Patients without exacerbations (n = 296) |
|---|---|---|---|
Mean age, years (range) | 49.9 (18.0–87.0) | 52.0 (25.0–87.0) | 49.5 (18.0–82.0) |
Females, n (%) | 291 (80.8) | 55 (85.9) | 236 (79.7) |
Mean body mass index, kg/m2 (SD) | 33.3 (8.4) | 34.1 (7.4) | 33.1 (8.6) |
Race, n (%) | |||
White | 286 (79.4) | 50 (78.1) | 236 (79.7) |
Black or African American | 65 (18.1) | 14 (21.9) | 51 (17.2) |
Other | 9 (2.5) | 0 | 9 (3.0) |
Exacerbations in the 12 months prior to enrollment | |||
Mean number of exacerbations (SD) | 1.5 (1.3) | 2.0 (2.3) | 1.4 (1.0) |
Patients with 1 exacerbation | 254 (70.6) | 39 (60.9) | 215 (72.6) |
Patients with 2 exacerbations | 69 (19.2) | 12 (18.8) | 57 (19.3) |
Patients with 3 exacerbations | 17 (4.7) | 4 (6.3) | 13 (4.4) |
Patients with ≥4 exacerbations | 18 (5.0) | 9 (14.1) | 9 (3.0) |
Maintenance medication, n (%) | |||
ICS | 17 (4.7) | 4 (6.2) | 13 (4.4) |
ICS-LABA | 309 (85.8) | 53 (82.8) | 256 (86.5) |
ICS-LAMA | 3 (0.8) | 1 (1.6) | 2 (0.7) |
ICS-LABA-LAMA | 29 (8.1) | 6 (9.4) | 23 (7.8) |
Not available | 2 (0.6) | 0 | 2 (0.7) |
