Table 2.
Asthma characteristics of the SABINA III Philippines cohort according to investigator-classified asthma severity and practice type (N=245)
| All (N=245) | Primary Care (n=90) |
Pulmonary Medicine Specialists (n=155) |
|||||
|---|---|---|---|---|---|---|---|
| Investigator-classified mild asthma (n=42) | Investigator-classified moderate-to-severe asthma (n=48) | All (n=90) | Investigator-classified mild asthma (n=48) | Investigator-classified moderate-to-severe asthma (n=107 | All (n=155) | ||
| Asthma duration (years) | |||||||
| Mean (SD) | 12.4 (9.8) | 15.1 (8.5) | 18.0 (12.9) | 16.7 (11.1) | 9.5 (3.8) | 10.2 (9.4) | 9.9 (8.1) |
| Median (min, max) | 10.0 (1.0, 59.0) | 13.0 (4.0, 50.0) | 15.0 (1.0, 59.0) | 13.0 (1.0, 59.0) | 10.0 (1.0, 16.0) | 9.0 (1.0, 57.0) | 9.0 (1.0, 57.0) |
|
| |||||||
| GINA classification, n (%) | |||||||
| Step 1 | 85 (34.7) | 39 (92.9) | 0 (0.0) | 39 (43.3) | 46 (95.8) | 0 (0.0) | 46 (29.7) |
| Step 2 | 5 (2.0) | 3 (7.1) | 0 (0.0) | 3 (3.3) | 2 (4.2) | 0 (0.0) | 2 (1.3) |
| Step 3 | 57 (23.3) | 0 (0.0) | 37 (77.1) | 37 (41.1) | 0 (0.0) | 20 (18.7) | 20 (12.9) |
| Step 4 | 48 (19.6) | 0 (0.0) | 9 (18.8) | 9 (10.0) | 0 (0.0) | 39 (36.4) | 39 (25.2) |
| Step 5 | 50 (20.4) | 0 (0.0) | 2 (4.2) | 2 (2.2) | 0 (0.0) | 48 (44.9) | 48 (31.0) |
|
| |||||||
| Number of comorbidities, n (%) | |||||||
| None | 144 (58.8) | 31 (73.8) | 32 (66.7) | 63 (70.0) | 24 (50.0) | 57 (53.3) | 81 (52.3) |
| 1–2 | 91 (37.1) | 11 (26.2) | 13 (27.1) | 24 (26.7) | 22 (45.8) | 45 (42.1) | 67 (43.2) |
| 3–4 | 9 (3.7) | 0 (0.0) | 2 (4.2) | 2 (2.2) | 2 (4.2) | 5 (4.7) | 7 (4.5) |
| ≥5 | 1 (0.4) | 0 (0.0) | 1 (2.1) | 1 (1.1) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
|
| |||||||
| Number of severe asthma exacerbations in the previous 12 months before study visit | |||||||
| Mean (SD) | 0.5 (1.0) | 0.0 (0.2) | 0.5 (0.7) | 0.3 (0.6) | 0.2 (0.6) | 0.9 (1.3) | 0.7 (1.1) |
|
| |||||||
| Number of severe asthma exacerbations in the previous 12 months before study visit by group, n (%) | |||||||
| 0 | 164 (66.9) | 41 (97.6) | 32 (66.7) | 73 (81.1) | 43 (89.6) | 48 (44.9) | 91 (58.7) |
| 1 | 51 (20.8) | 1 (2.4) | 11 (22.9) | 12 (13.3) | 3 (6.2) | 36 (33.6) | 39 (25.2) |
| 2 | 17 (6.9) | 0 (0.0) | 4 (8.3) | 4 (4.4) | 1 (2.1) | 12 (11.2) | 13 (8.4) |
| 3 | 11 (4.5) | 0 (0.0) | 1 (2.1) | 1 (1.1) | 1 (2.1) | 9 (8.4) | 10 (6.5 |
| >3 | 2 (0.8) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 2 (1.9) | 2 (1.3) |
|
| |||||||
| Level of asthma control, n (%) | |||||||
| Well controlled | 135 (55.1) | 32 (76.2) | 21 (43.8) | 53 (58.9) | 30 (62.5) | 52 (48.6) | 82 (52.9) |
| Partly controlled | 65 (26.5) | 4 (9.5) | 15 (31.2) | 19 (21.1) | 11 (22.9) | 35 (32.7) | 46 (29.7) |
| Uncontrolled | 45 (18.4) | 6 (14.3) | 12 (25.0) | 18 (20.0) | 7 (14.6) | 20 (18.7) | 27 (17.4) |
GINA, Global Initiative for Asthma; max, maximum; min, minimum; SD, standard deviation.