Table 1 Characteristics of the asthma patient population a
Age 12–17 | Age 18–64 | Age ≥ 65 | Total | |||||
|---|---|---|---|---|---|---|---|---|
N = 3,496 | N = 15,352 | N = 2,351 | N = 21,199 | |||||
Age, years (mean, SD) | 14.3 | 1.7 | 40.1 | 12.4 | 72.8 | 5.8 | 39.5 | 18.5 |
Female | 1,879 | 54% | 10,859 | 71% | 1,650 | 70% | 14,394 | 67.9% |
Caucasian | 3,181 | 91% | 14,500 | 94% | 2,304 | 98% | 19,990 | 94.3% |
Encounters, per patient (mean, SD)b | ||||||||
Total office visits | 27.6 | 23.1 | 36.6 | 31.7 | 48.6 | 35.4 | 36.5 | 31.4 |
Asthma-related office visits | 6.3 | 5.4 | 8.5 | 8.0 | 10.3 | 9.8 | 8.3 | 7.9 |
Total ED visits | 3.5 | 5.1 | 3.8 | 7.9 | 2.8 | 4.5 | 3.6 | 7.3 |
Asthma-related ED visits | 1.7 | 1.1 | 1.5 | 1.4 | 1.4 | 1.1 | 1.6 | 1.6 |
Total inpatient visits | 2.7 | 4.1 | 3.1 | 4.4 | 5.1 | 7.1 | 3.5 | 5.1 |
Asthma-related inpatient visits | 1.5 | 1.3 | 1.5 | 1.4 | 1.4 | 1.1 | 1.5 | 1.4 |
Comorbidities | ||||||||
Acute sinusitis | 2,129 | 61% | 9,353 | 61% | 938 | 40% | 12,420 | 58.6% |
Allergic rhinitis | 2,193 | 63% | 8,733 | 57% | 957 | 41% | 11,883 | 56.1% |
Acute bronchitis | 1,167 | 33% | 7,935 | 52% | 1,248 | 53% | 10,350 | 48.8% |
Allergic rhinorrhea | 1,719 | 49% | 6,580 | 43% | 666 | 28% | 8,965 | 42.3% |
Acute upper respiratory conditions | 1,772 | 51% | 5,700 | 37% | 662 | 28% | 8,134 | 38.4% |
Gastroesophageal reflux disease | 764 | 22% | 6,159 | 40% | 1,142 | 49% | 8,065 | 38.0% |
Chronic sinusitis | 376 | 11% | 2,458 | 16% | 297 | 13% | 3,131 | 14.8% |
Chronic otitis media | 755 | 22% | 1,977 | 13% | 131 | 6% | 2,863 | 13.5% |
Pneumonia | 312 | 9% | 1,523 | 10% | 479 | 20% | 2,314 | 10.9% |
Current Smoker | 515 | 15% | 2,234 | 15% | 52 | 2% | 2,801 | 13.2% |