Airway inflammatory markers | OA | NOA | p-value | ||
Males | Females | Males | Females | ||
Subjects | 26 | 26 | 120 | 65 | |
Exhaled nitric oxide | 33.5 (12.8–49.8) | 11.2 (8.6–28.2) | 28.0 (20.3–73.7) | 23.2 (13.3–55.7) | 0.301 |
Interleukin-8 pg·mL−1 | 2.27 (0.5–5.56) | 1.67 (0.03–6.84) | 1.19 (0.15–3.29) | 1.25 (0.47–2.7) | 0.692 |
Eosinophils % | 3.8 (0.5–9.8)# | 0.0 (0–1.0) | 1.4 (0.0–7.5) | 0.5 (0.0–6.3) | 0.021 |
Eosinophils ×106 per mL | 0.11 (0.01–0.12) | 0.0 (0.0–0.04) | 0.03 (0.0–0.14) | 0.01 (0.0–0.10) | 0.053 |
Neutrophils % | 21.6 (8.5–29.8) | 19.6 (9.5–42.0) | 28.0 (13.0–56.5) | 26.5 (12.7–48.5) | 0.403 |
Neutrophils ×106 per mL | 0.5 (0.2–2.4) | 0.5 (0.1–1.3) | 0.4 (0.2–1.2) | 0.4 (0.1–1.1) | 0.892 |
Macrophages % | 60.0±22.4 | 63.7±23.1 | 51.9±25.6 | 53.2±26.3 | 0.088 |
Macrophages ×106 per mL | 1.8 (1.1–3.0)¶,+ | 1.7 (1.1–2.5)¶,+ | 1.0 (0.5–1.8) | 0.9 (0.4–1.6) | 0.003 |
Data are presented as n, median (interquartile range) or mean±sd, unless otherwise stated. OA: obese asthma; NOA: nonobese asthma. #: versus OA females; ¶: versus NOA males; +: versus NOA females; p<0.017 for post hoc analyses. Bold indicates statistical significance.