Fig. 5

The cumulative sorting curve. Panels (a-f): Each panel represents the probability ranking of interventions for specific outcomes: a. Forced Expiratory Volume in One Second (FEV1) (% of predicted); b. The ratio of Forced Expiratory Volume in One Second to Forced Vital Capacity (FEV1/FVC); c. 6-minute walk distance (6MWD); d. modified Medical Research Council (mMRC) Dyspnea Scale; e. COPD Assessment Test (CAT); f. St. George’s Respiratory Questionnaire (SGRQ). EAA = Essential amino acid, EPA = Eicosapentaenoic acid, MLT = Melatonin, VD = Vitamin D, VC = Vitamin C, VE = Vitamin E, OPC = Oligomeric proanthocyanidin, AKL1 = a patented botanical formulation containing extracts of Picrorhiza kurroa, Ginkgo biloba, and Zingiber officinale