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Table 3 Changes in peripheral and respiratory muscle strength 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 Muscle Function    
QF (Nm) 6±19 15±19 0.176
MIP (cmH2O) 0±16 −9±6 0.046
MEP (cmH2O) 2±44 16±33 0.333
  1. Data are expressed as mean ± SD. QF = Quadriceps Strength; MIP = Inspiratory Muscle Strength; MEP = Expiratory Muscle Strength.