Table 1.

Baseline characteristics

	Low altitude (760 m) rehabilitation group	High altitude (3100 m) rehabilitation group
Number of participants (Females)	25 (18, 72%)	25 (16, 64%)
Age, years	47 (34;53)	43 (33;49)
Body mass index, kg/m2	24 (23;27)	26 (23;29)
Non-smokers, n (%)	25 (100)	25 (100)
Atopy, n (%)	23 (92)	23 (92)
Peak expiratory flow, L/min	311 (274;378)	326 (261;368)
FeNO, ppb	37 (26;46)	51 (37;73)

Note: Data are given as median (quartiles) or numbers (%)

Abbreviations: FeNO exhaled nitric oxid