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Table 3 Change in clinical parameters during 1 month

From: The effects of a physical activity counseling program after an exacerbation in patients with Chronic Obstructive Pulmonary Disease: a randomized controlled pilot study

  Control group (N = 15) Intervention group (N = 12) P-value
Muscle strength  
 ΔQF (Nm) 0.4 ± 20 5.3 ± 12 0.48
Functional exercise capacity  
 Δ6MWD (meter) 64 ± 59 67 ± 84 0.93
 ΔStops during 6MWD (amount) 0.08 ± 1.16 0.18 ± 1.08 0.84
 ΔDuration of stops (s) −14 ± 52 −18 ± 57 0.86
Questionnaires  
 ΔmMRC (points) 0 [−1 to 0] 0 [−1 to 0] 0.93
 ΔCAT (points) −5 [−7 to 1] −3 [−10 to 1] 0.78
  1. QF quadriceps strength, 6MWD six minutes walking distance, mMRC modified medical research council dyspnea scale, CAT COPD assessment test. Data are expressed as mean ± SD or as median [IQR]. p < 0.05