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. 2020 Aug 7;13:2811–2822. doi: 10.2147/DMSO.S265982

Table 3.

Overview of Studies Included in the Systematic Review

Participants (Completed) Study Population Intervention Diet Control Diet Study Duration, Weeks
Wright et al8 65 (49) Individuals with obesity or overweight and at least one of T2DM, ischemic heart disease, hypertension, or hypercholesterolemia Low-fat plant-based diet Conventional omnivorous diet 24
Mishra et al9 291 (211) Individuals with BMI >25 kg/m2 and/or T2DM Low-fat vegan diet Conventional omnivorous diet 18
Kahleova et al24 75 (72) Healthy individuals with BMI 28–40 kg/m2 and no history of T2DM Low-fat vegan diet Conventional omnivorous diet 16
Sofi et al25 118 (107) Overweight omnivores with BMI >25 kg/m2 and low–moderate cardiovascular risk profile Low-calorie lacto-ovo-vegetarian diet Low-calorie Mediterranean diet 12
(before crossover)
Li et al26 47 (34) Overweight and obese individuals with BMI 27–37 kg/m2 Lacto-ovo-vegetarian diet Conventional omnivorous diet 4
(before crossover)
Lee et al20 106 (93) Individuals with T2DM Vegan diet Conventional diet recommended by the Korean Diabetes Association 2011 12
Barnard et al21 45 (40) Individuals with T2DM Low-fat vegan diet Portion-controlled omnivorous diet 20
Turner-McGrievy et al22 99 (88) Individuals with T2DM Low-fat, low-GI vegan diet Individualized diet based on the 2003 American Diabetes Association–dietary recommendations 22
Shah et al23 100 (97) Individuals with CAD Vegan diet American Heart Association–recommended diet 8

Abbreviations: T2DM, type 2 diabetes mellitus; CAD, coronary artery disease.