Table 1.
Characteristics of the study population
| N | 67 |
| Average age in years (Range) | 48.9 (18 – 69) |
| Gender (% female) | 83 |
| White (%) | 6 |
| Black (%) | 81 |
| Other (%) | 13 |
| Ex-smokers n (%) | 21 (33%) |
| Average Pack-per-year (95% C.I.) | 4 (2 – 5) |
| Average body weight in pounds (95% C.I.) | 198 (186 – 209) |
| Average BMI (95% C.I.) | 32 (31 – 35) |
| Normal weight (BMI ≥ 18 ≤ 25) (%) | 14 |
| Overweight (BMI > 25 < 30) | 28 |
| Obese (BMI ≥ 30) | 58 |
| Average waist/hip ratio (95% C.I.) | 0.87 (0.85 – 0.9) |
| Diabetes (%) | 18 |
| GERD treatment (%) | 60 |
| Hypertension (%) | 45 |
| Obstructive sleep apnea (%) | 12 |
| Average FEV1 (95% C.I.) | 2.1 (2.0 – 2.3) |
| Average FVC (95% C.I.) | 2.8 (2.6 – 3.0) |
| Average FEV1/FVC (95% C.I.) | 0.80 (0.7 – 0.8) |
| Average FRC (95% C.I.) | 3.2 (2.8 – 3.5) |
| Average Exhaled NO (95% C.I.) (ppb)* | 25 (19 – 30) |
| Average Exhaled 8-isoprostanes (95% C.I.) (pg/ml) | 11 (9.6 – 12.4) |
| Average Adiponectin (μg/ml) (95% C.I.) | 3 (2.9 – 3.4) |
| Average Leptin (ng/ml) (95% C.I.) | 15 (12 – 18) |
BMI (Body mass index), FEV1 (Forced exhalation volume in one second), GERD (Gastro esophageal reflux disease), FRC (Functional Residual Capacity), Plasma adipokines were available for 50 asthmatics. Exhaled 8-isoprostanes were available for 56 asthmatics.