|
Arithmetic mean (SD) |
Difference A – B
(95% CI) 2 |
p-value 3 |
|
Group A - CF |
Group B – healthy controls |
|
|
X5 [kPa/(L/sec)]1 |
–0.174 (0.082) |
–0.085 (0.062) |
–0.090 (–0.135, –0.045) |
<0.0001 |
FEV1 [L]
% predicted |
2.37 (0.81)
67% |
3.53 (0.74)
94% |
–1.16 (–1.46, –0.86) |
0.0002 |
AX [kPa/L]1 |
0.835 (1.017) |
0.290 (0.116) |
0.566 (0.069, 1.063) |
0.0044 |
FVC [L] |
3.44 (1.00) |
4.36 (0.90) |
–0.91 (–1.34, –0.49) |
0.0157 |
RF [Hz]1 |
15.8 (5.8) |
12.1 (2.6) |
3.9 (0.8, 7.0) |
0.0385 |
FEV1: forced expiratory volume in 1 second; FVC: forced vital capacity; Frequency dependent reactance as indicators of reactive capacitance properties of the lung: (X5, RF, AX)
11 subject in Group A and 2 subjects in Group B did not have oscillometry results.
2Differences and ratios calculated from ANOVA with adjustment for matching.
3p-values calculated using non-parametric (Wilcoxon) test.
|