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 |