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Table 4 Effect of HA and LA rehabilitation on Quality of Life

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

 Low altitudeHigh altitude 
BaselineEnd of rehabilitation (3 weeks)Follow-up (3 months)BaselineEnd of rehabilitation (3 weeks)Follow-up (3 months)Between group difference of change BL-3wBetween group difference of change BL-3 m
AQLQ Score3.6 (3.1;4.8)5.5 (4.4;6.4)***5.1 (3.8;5.9)***3.9 (3.1;4.6)5.6 (4.4;6.3)***4.9 (3.5;6.2)*−.0 (−.7 to .8)−.5 (−1.6 to .3)
AQLQ Activity limitation4.3 (3.5;5.1)5.7 (4.4;6.3)**5.0 (4.3;5.9)***4.4 (3.5;5.0)5.9 (4.8;6.4)***5.0 (3.8;6.4)**.0 (−.7 to .7)−.1 (−.7 to .6)
AQLQ Symptoms3.8 (3.3;4.9)6.0 (4.9;6.5)***5.5 (4.0;6.0)**3.7 (3.1;4.8)5.4 (4.4;6.6)***5.5 (3.2;6.5)*−.2 (−1 to .7)−.5 (−1.9 to .4)
AQLQ Emotional function3.4 (2.5;4.5)5.0 (4.1;6.0)**4.7 (3.7;6.4)***3.6 (2.7;4.6)5.3 (3.8;6.6)***4.8 (2.8;6.0)**.0 (−.8 to .8)−.4 (−1.4 to .4)
AQLQ Environ-mental stimuli3.3 (2.1;4.0)5.0 (3.2;6.2)**4.3 (3.3;5.5)**3.0 (2.6;4.5)5.0 (4.6;5.9)***4.6 (3.0;5.7)**.0 (−1 to .8).0 (−1 to .8)
SF − 36, PCS40 (35;43)40 (36;46)42 (36;47)50 (43;54)46 (38;52)51 (45;54)-3 (−10 to 3)−1 (−5 to 4)
SF − 36, MCS44 (36;49)41 (34;48)44 (36;50)51 (47;56)48 (41;55)58 (56;61)-3 (−12 to 5)5 (−2 to 11)
  1. Note: Data are given as median (quartiles) and median difference (confidence interval)
  2. Abbreviations: AQLQ Asthma Quality of Life Questionnaire, SF-36 Short-form 36, PCS Physical component score, MCS mental summary score
  3. *: p < 0.05; **: p < 0.01; ***: p < 0.001 tested with Wilcoxon test for paired samples (baseline vs. 3 week follow up and baseline vs. 3 months follow up)
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