Additional file 3: of Effects of acupuncture on nutritional state of patients with stable chronic obstructive pulmonary disease (COPD): re-analysis of COPD acupuncture trial, a randomized controlled trial

Prealbumin was negatively correlated with TNF-α (r = − 0.44, P = 0.042). (Spearman’s rank correlation coefficient). TNF-α; Tumor Necrosis Factor-alpha. Cross:Placebo Acupuncture Group, Open circle; Real Acupuncture Group. (PPTX 42 kb)