The Usefulness of the Forced Oscillation Technique in the Diagnosis of Bronchial Asthma in Children

Table 3

Comparison of Xrs values in the studied groups.

Xrs (hPa sL^−1); Xrs (% norm)	AK	ANK	K
Total	−4.76	−7.31	−2.11^
	(95% CI: −5.21; −3.32)	(95% CI: −8.21; −5.54)	(95% CI: −3.09; −1.12)
Inhaled	−4.34	−6.71	−1.84^
	(95% CI: −5.68; −3.12)	(95% CI: −7.1; −5.89)	(95% CI: −2.81; −0.82)
Exhaled	−5.76	−8.49	−2.89^
	(95% CI: −7.02; −4.12)	(95% CI: −9.91; −7.52)	(95% CI: −3.81; −1.19)
Δ Xrs	0.42	0.46	0.39
	(95% CI: 0.36–0.51)	(95% CI: 0.41–0.62)	(95% CI: 0.29–0.47)

AK: patients with controlled asthma; ANK: patients with uncontrolled asthma; K: control group; Δ Xrs: the difference between the inspiration and expiration component of the reactance; significant differences (ANOVA test) between the following: AK and K, ; ANC and K, ; ^AK and ANC, .