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Table 2 Changes in peripheral and respiratory muscle strength in both groups after rehabilitation

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

  Placebo Vit D P-value
(n=25) (n=24)
Δ Muscle Function    
QF (Nm) 7±19 15±16 0.121
MIP (cmH2O) 0±14 −11±12 0.004
MEP (cmH2O) 6±41 13±35 0.511
  1. Data are expressed as mean±SD. QF = Quadriceps Strength; MIP = Inspiratory Muscle Strength; MEP = Expiratory Muscle Strength.