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Table 5 Changes in exercise performance in vitamin D deficient patients after rehabilitation

From: Vitamin D supplementation during rehabilitation in COPD: a secondary analysis of a randomized trial

  Placebo Vit D P-value
(25-OHD < 20) (25-OHD < 20)
(n=16) (n=15)
Δ Exercise Performance    
6MWD (meter) 18±45 45±44 0.106
VO2max (ml/min) −8±190 96±202 0.156
Wmax (watt) 3±14 10±12 0.140
  1. Data are expressed as mean ± SD. 6MWD = Six Minutes Walking Distance; VO 2max = Maximal Oxygen Uptake; W max = Maximal Workload.