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. 2022 Jan 7;8:783302. doi: 10.3389/fnut.2021.783302

Table 1.

Group characteristics for vegans and omnivores.

Omnivore Vegan p-value
General characteristics
Sex [F/M] 17/16 25/37
Weight [kg] 73.0 (24.4) 67.9 (16.6) n.s.
Age [years] 31.3 (11.2) 30.9 (10.5) n.s.
BMI [kg/m2] 22.8 (4.4) 21.6 (3.6) n.s.
WHR 0.8 (0.1) 0.8 (0.1) n.s.
Body composition
Fat [kg] 13.9 (5.8) 11.6 (9.3) n.s.
FFM [kg] 54.2 (23.4) 57.1 (19.3) n.s.
TBW [kg] 39.7 (17.1) 41.8 (14.1) n.s.
Macronutrients intake
Total energy [kcal/day] 2 100 (683) 2 072 (706) n.s.
Proteins [g/day] 81 (29) 69 (38) 0.020
Lipids [g/day] 83 (49) 70.0 (35) 0.030
Carbohydrates [g/day] 232 (98) 250 (105) 0.030
Dietary fiber [g/day] 18 (10) 33 (20) <0.001
Glucose metabolism
Fasting glucose [mmol/l] 4.8 (0.3) 4.7 (0.4) n.s.
2h OGTT glucose [mmol/l] 5.9 (1.4) 5.5 (1.3) 0.070
AUC for OGTT glucose
[mmol/l x 120min−1] 255 (137) 184 (159) n.s.
AUC for OGTT insulin
[mIU/l x 120min−1] 4,416 (1938) 3,143 (2603) 0.004
Insulin [mIU/l] 3.9 (2.7) 3.4 (1.7) n.s.
C-peptide [pmol/l] 232 (103) 229 (79) n.s.
HbA1c [mmol/mol] 32.0 (2.5) 30.0 (4.0) 0.010
Matsuda index 10.2 (6.6) 9.9 (5.2) n.s.
Lipid metabolism
Total cholesterol [mmol/l] 4.3 (1.1) 3.3 (0.8) <0.001
HDL-C [mmol/l] 1.7 (0.7) 1.4 (0.4) <0.001
LDL-C [mmol/l] 2.4 (1.2) 1.7 (0.8) <0.001
Triacylglycerols [mmol/l] 0.7 (0.5) 0.7 (0.4) n.s.
Inflammatory markers
CRP (mg/l) 0.074 (0.081) 0.045 (0.028) <0.001
Stool characteristics
pH in feces 7.3 (0.7) 6.9 (0.8) 0.005
dry mass (%) 25.1 (9.9) 20.3 (8.8) 0.002

Data are given as median (interquartile range). BMI, body mass index; WHR, waist-hip ratio; FFM, fat-free mass; TBW, total body water; OGTT, oral glucose tolerance test; AUC, area under the curve during oral glucose tolerance test; CRP, C-reactive protein; HbA1c, glycated hemoglobin; HDL-C, high-density lipoprotein–cholesterol; LDL-C, low-density lipoprotein–cholesterol.