Table 2.
Proportion of subjects with asthma exacerbation (AE) by subject characteristics
| Training cohort | Testing cohort | |||
|---|---|---|---|---|
| (N = 133) |
(N = 113) |
|||
| Subjects with AE | Subjects without AE | Subjects with AE | Subjects without AE | |
| (N = 34) | (N = 99) | (N = 40) | (N = 73) | |
| Age (in years), n (%) | ||||
| <12 | 28 (29.8%) | 66 (70.2%) | 30 (37.5%) | 50 (62.5%) |
| ≥12 | 6 (15.4%) | 33 (84.6%) | 10 (30.3%) | 23 (69.7%) |
| Sex, n (%) | ||||
| Male | 25 (32.9%) | 51 (67.1%) | 23 (34.3%) | 44 (65.7%) |
| Female | 9 (15.8%) | 48 (84.2%) | 17 (39.1%) | 28 (60.9%) |
| Race/ethnicity, n (%) | ||||
| Non-Hispanic Whites | 19 (25.0%) | 57 (75.0%) | 25 (37.3%) | 42 (62.7%) |
| African Americans | 5 (27.8%) | 13 (72.2%) | 4 (44.4%) | 5 (55.6%) |
| Asians | 2 (20.0%) | 8 (80.0%) | 3 (23.1%) | 10 (76.9%) |
| Hispanics | 4 (44.4%) | 5 (55.6%) | 3 (27.3%) | 8 (72.7%) |
| Other categories | 4 (28.6%) | 10 (71.4%) | 4 (33.3%) | 8 (66.7%) |
| HOUSES, n (%) | ||||
| Q1 (the lowest SES) | 6 (27.3%) | 16 (72.7%) | 8 (53.3%) | 7 (46.7%) |
| Q2–Q4 | 23 (22.5%) | 79 (77.5%) | 29 (31.5%) | 63 (68.5%) |
| Chronic condition, n (%) | ||||
| Yes | 10 (33.3%) | 20 (66.7%) | 7 (36.8%) | 12 (63.2%) |
| No | 24 (23.3%) | 79 (76.7%) | 33 (35.1%) | 61 (64.9%) |
| National ADI, n (%) | ||||
| 76–100 (the lowest SES) | 2 (33.3%) | 4 (66.7%) | 0 (0.0%) | 6 (100.0%) |
| 0–75 | 16 (21.1%) | 60 (78.9%) | 21 (32.3%) | 44 (67.7%) |