Table 1.

Baseline characteristics

Variable	Overall	Conventional treatment*	Conventional treatment +LVR*
	n=66	n=30	n=36
Age (years), median (IQR)	11.5 (9.5–13.5)	11.5 (9.2–13.0)	11.5 (9.5–13.9)
FVC (%-predicted), median (IQR)	84.8 (73.3–95.5)	85.6 (73.8–98.8)	84.0 (73.9–92.4)
Wheelchair assisted, n (%)	21 (32)	10 (33)	11 (31)
Scoliosis, n (%)	9 (14)	3 (10)	6 (17)
Non-invasive ventilation, n (%)	4 (6)	2 (7)	2 (6)
Steroid use, n (%)	59 (89)	27 (90)	32 (89)

*There were no differences in baseline characteristics between the intervention and control groups (p>0.05).

LVR, lung volume recruitment.