Summary of randomised clinical studies of ginseng for various conditions in Korean literatures.

ADAS score: Alzheimer’s disease assessment scale; BMI: body mass index; DBP: diastolic blood pressure; DM: diabetes mellitus; ED: erectile dysfunction; FBS: fasting blood glucose; GEQ: global efficacy question; HDL: high density lipoprotein; IIEF: International index of erectile function; KOQOL: Korean version of obesity-related quality of life; MMSE score: Mini-mental status exam; n.r.: not reported; NS: not significant; NSIF: nutritional status and immune function; NIDDM: non-insulin dependent diabetes mellitus; PP2hrBG: Postprandial 2hour blood glucose; RG: red ginseng; SBP: systolic blood pressure; SOD: superoxide dismutase; T-Chol: total cholesterol; VAS: visual analog scale; 8-OHdG: 8-hydroxydeoxyguanosine.*No numerical data available for calculating effect size. We added the results on the base of authors’ results.†The original authors reported statistical significance but our calculation failed to do so.Italic: The main outcome tested the effects of Korean ginseng compared with American ginseng.