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Table 2 Primary endpoints assessed at low altitude (760 m)

From: Asthma rehabilitation at high vs. low altitude: randomized parallel-group trial

 Low altitude rehabilitation groupHigh altitude rehabilitation groupBetween group difference of changes from BL to 3 weeksBetween group difference of changes from BL to 3 months
BaselineEnd of rehabilitation (3 weeks)Follow-up (3 months)BaselineEnd of rehabilitation (3 weeks)Follow-up (3 months)
PEF-Var.19 (14;33)15 (8;23)15 (9;24)17 (12;32)6 (4;9)#8 (5;14)#  
change −7.4 (−13.9 to 0)*−2.5 (-17.5 to 2.1) −10.4 (−21.3 to −3.4)**−8.9 (-10.3 to -2.8)**− 5.8 (− 14 to 2)− 5 (− 13.6 to 5.0)
ACQ2.7 (1.7;3.2)0.8 (0.4;1.6)1.4 (0.9;2.1)2.0 (1.6;3.0)0.9 (0.4;1.6)1.6 (0.9;3.0)  
change -1.4 (-2.2 to −0.9)***− 0.9 (− 1.3 to −0.3)** −1.1 (−1.3 to − 0.7)***−0.2 (-0.9 to 0.4)0.3 (-0.4 to 1.1)0.4 (− 0.4 to 1.1)
  1. Note: Data are given as median (quartiles) and median difference (confidence interval)
  2. Abbreviations: PEF-Var. Peak-flow variability, %, ACQ Asthma Control questionnaire. *: p < 0.05; **: p < 0.01; ***: p < 0.001 tested with Wilcoxon test for paired samples (baseline vs. 3 weeks follow up and baseline vs. 3 months follow up). #: p < 0.05 vs. low altitude group
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