Women | Men | p-value | |
Quiet breathing | |||
Excursion cm | 1.7±0.4 (0.9–2.5) | 2±0.6 (0.9–3) | <0.001 |
Inspiratory time s | 1±0.2 (0.5–1.4) | 1±0.3 (0.5–1.6) | <0.01 |
Inspiratory velocity cm·s−1 | 1.9±0.6 (0.7–3) | 2±0.8 (0.4–3.6) | ns |
Expiratory time s | 0.8±0.3 (0.3–1.4) | 0.9±0.3 (0.2–1.5) | ns |
Expiratory velocity cm·s−1 | 1.8±0.7 (0.5–3.1) | 2.1±0.9 (0.4–3.7) | <0.001 |
Duration of motion s | 2±0.5 (1–3) | 2.2±0.7 (0.9–3.5) | <0.01 |
Voluntary sniffing | |||
Excursion cm | 2.6±0.6 (1.5–3.8) | 3±0.8 (1.6–4.5) | <0.001 |
Inspiratory time s | 0.2±0.1 (0.1–0.4) | 0.2±0.1 (0.1–0.4) | ns |
Inspiratory velocity cm·s−1 | 12.3±4.4 (3.6–20.9) | 15±7.6 (1.2–30) | <0.001 |
Deep breathing | |||
Excursion cm | 5.4±1.2 (3.2–7.7) | 6.7±1.3 (4.2–9.2) | <0.001 |
Inspiratory time s | 1.2±0.5 (0.2–2.3) | 1.1±0.4 (0.26–2) | ns |
Inspiratory velocity cm·s−1 | 5.3±2.5 (0.4–10) | 6.6±2.6 (1.6–11.6) | <0.001 |
Data are presented as mean±sd (lower limit of normal – upper limit of normal), unless otherwise stated. ns: nonsignificant.