Table 2.
Asthma symptoms and indicators of exacerbations overall and by GINA-defined control levels7
| Overall (N=2,467) | GINA-defined asthma control
|
|||
|---|---|---|---|---|
| Controlled (n=440) | Partially controlled (n=802) | Uncontrolled (n=1,225) | ||
| % of total respondents | 100 | 17.8 | 32.5 | 49.7 |
| Asthma symptoms (past 7 days) | ||||
| Daytime asthma symptoms, n (%) | ||||
| None | 530 (21.5) | 347 (78.9) | 177 (22.1) | 6 (0.5) |
| 2 days or less | 995 (40.3) | 93 (21.1) | 584 (72.8) | 318 (26.0) |
| >2 days | 942 (38.2) | 0 | 41 (5.1) | 901 (73.6) |
| Activity limitation due to asthma, n (%) | ||||
| None | 882 (35.8) | 440 (100) | 398 (49.6) | 44 (3.6) |
| ≥1 day | 1,585 (64.2) | 0 | 404 (50.4) | 1,181 (96.4) |
| Night waking, n (%) | ||||
| None | 710 (28.8) | 440 (100) | 253 (31.5) | 17 (1.4) |
| ≥1 day | 1,757 (71.2) | 0 | 549 (68.5) | 1,208 (98.6) |
| Reliever needed for symptoms, n (%) | ||||
| Not useda | 949 (38.5) | 377 (85.7) | 400 (49.9) | 172 (14.0) |
| Two times or less | 665 (27.0) | 63 (14.3) | 335 (41.8) | 267 (21.8) |
| >2 times | 853 (34.6) | 0 | 67 (8.4) | 786 (64.2) |
| Acute exacerbations (past 12 months) | ||||
| Oral steroid use for worsening asthma, n (%) | ||||
| Not used | 664 (26.9) | 234 (53.2) | 285 (35.5) | 145 (11.8) |
| ≥1 course | 1,803 (73.1) | 206 (46.8) | 517 (64.5) | 1,080 (88.2) |
| Days off work/education, n (%) | ||||
| None | 839 (34.0) | 273 (62.0) | 361 (45.0) | 205 (16.7) |
| ≥1 day | 1,628 (66.0) | 167 (38.0) | 441 (55.0) | 1,020 (83.3) |
| Antibiotic use for an asthma-associated condition, n (%) | ||||
| Not used | 580 (23.5) | 193 (43.9) | 231 (28.8) | 156 (12.7) |
| ≥1 course | 1,887 (76.5) | 247 (56.1) | 571 (71.2) | 1,069 (87.3) |
| Emergency department visit due to asthma, n (%) | ||||
| None | 1,520 (61.6) | 372 (84.5) | 612 (76.3) | 536 (43.8) |
| ≥1 visit | 947 (38.4) | 68 (15.5) | 190 (23.7) | 689 (56.2) |
| Overnight hospitalization due to asthma, n (%) | ||||
| None | 1,650 (66.9) | 417 (94.8) | 650 (81.0) | 583 (47.6) |
| ≥1 stay | 817 (33.1) | 23 (5.2) | 152 (19.0) | 642 (52.4) |
Note:
a
580 patients did not own a reliever inhaler.
Abbreviation: GINA, Global Initiative for Asthma.