Lung function | No LRTI | LRTI | p-value# |
Subjects | 466 | 161 | |
Respiratory rate breaths·min−1 | 46.8 (40.2–54.0) | 49.1 (42.2–57.6) | 0.027* |
Rrs hPa·s·L−1 | 44.3 (37.3–54.0) | 48.3 (37.5–57.0) | 0.156 |
Crs mL·hPa−1 | 0.99 (0.75–1.28) | 0.88 (0.68–1.21) | 0.075 |
Re hPa·s·L−1 | 51.9 (42.7–63.9) | 53.7 (43.5–66.8) | 0.485 |
Ri hPa·s·L−1 | 46.8 (37.2–60.6) | 48.0 (38.3–60.3) | 0.702 |
Rei hPa·s·L−1 | 37.4 (29.9–47.3) | 38.3 (31.4–50.2) | 0.096 |
Ree hPa·s·L−1 | 42.5 (36.2–50.8) | 43.9 (37.5–53.8) | 0.009* |
Xe hPa·s·L−1 | −8.85 (−15.04– −4.97) | −12.59 (−18.98– −6.92) | <0.001* |
Xi hPa·s·L−1 | −5.12 (−8.89– −1.03) | −5.15 (−9.97– −1.90) | 0.405 |
Xei hPa·s·L−1 | −4.90 (−7.58– −2.24) | −5.44 (−8.60– −2.73) | 0.191 |
Xee hPa·s·L−1 | −5.69 (−9.83– −2.24) | −8.88 (−14.06– −3.98) | <0.001* |
ΔR hPa·s·L−1 | 4.43 (0.65–8.13) | 5.61 (1.61–11.21) | 0.007* |
ΔX hPa·s·L−1 | −1.02 (−4.69–1.43) | −2.96 (−7.52–0.53) | <0.001* |
AXV hPa·s | 0.18 (−0.03–0.49) | 0.23 (0.03–0.69) | 0.011* |
Results presented as n or median (interquartile range), unless otherwise stated. Rrs: respiratory resistance; Crs: respiratory compliance; Re: expiratory resistance; Ri: inspiratory resistance; Rei: respiratory resistance at the end of inspiration; Ree: respiratory resistance at the end of expiration; Xe: expiratory reactance; Xi: inspiratory reactance; Xei: respiratory reactance at the end of inspiration; Xee: respiratory reactance at the end of expiration; ΔR: volume dependence of resistance; ΔX: volume dependence of reactance; AXV: area within the reactance versus volume loops. #: p-value of the univariate analysis. *: p<0.05.