Table 1.
—Demographic, Physiologic, and Clinical Characteristics Patients With Asthma (N = 472)
| Characteristic | Value |
| Age, y | 47 ± 14 |
| Female sex | 300 (64) |
| BMI, kg/m2 (range) | 28.4 ± 6.4 (16.7-60.5) |
| Obese (BMI ≥ 30 kg/m2) | 149 (32) |
| Race | |
| Black | 15 (3.2) |
| White | 446 (94.5) |
| Othera | 11 (2.3) |
| Current-smoker | 20 (4) |
| FEV1, % predicted | 93.9 ± 18.5 |
| FVC, % predicted | 91.1 ± 16.5 |
| FEV1/FVC | 73.5 ± 8.5 |
| FEF25-75%, % predicted | 69.2 ± 30.6 |
| History | |
| GERD | 201 (43) |
| Rhinitis | 450 (95) |
| Chronic sinusitis | 173 (37) |
| Nasal polyps | 77 (16) |
| Psychiatric disease | 107 (23) |
| Medications | |
| Inhaled corticosteroid | 366 (78) |
| Inhaled long-acting bronchodilator | 275 (58) |
| Antileukotriene agents | 88 (19) |
| Theophylline | 8 (2) |
| Oral corticosteroid | 31 (7) |
Data are presented as mean ± SD or No. (%). FEF25-75% = forced expiratory flow, midexpiratory rate; GERD = gastroesophageal reflux disease.
a
Includes Asians, Hawaiian/Pacific Islanders, American Indians, and Alaskan Natives.