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. 2022 Oct 26;5(10):e2238645. doi: 10.1001/jamanetworkopen.2022.38645

Table 2. Daily Dietary Composition in the Low-Carbohydrate and Usual Diet Groups Over the Course of the Studya.

Variable Mean (SD)
Baseline 3 mo 6 mo
Low-carbohydrate (n = 75) Usual diet (n = 75) Low-carbohydrate (n = 73) Usual diet (n = 69) Low-carbohydrate (n = 73) Usual diet (n = 69)
Total calories, kcal 1890 (775) 1789 (812) 1447 (507) 1701 (729) 1439 (500) 1757 (645)
Total carbohydrates, g 207 (98) 190 (86) 89 (50) 177 (73) 96 (52) 187 (73)
Total fiber, g 17 (12) 16 (9) 20 (13) 14 (7) 18 (12) 17 (9)
Net carbohydrates, ga 190 (91) 174 (81) 66 (49) 162 (70) 75 (50) 170 (68)
Protein, g 81 (45) 76 (38) 90 (37) 74 (48) 85 (33) 74 (34)
Total fat, g 81 (40) 79 (41) 84 (36) 73 (34) 82 (37) 77 (36)
SFA, g 28 (16) 24 (13) 25 (12) 24 (13) 25 (13) 24 (12)
MUFA, g 29 (16) 29 (19) 31 (16) 26 (12) 30 (14) 29 (15)
PUFA, g 18 (9) 18 (11) 21 (10) 16 (9) 20 (11) 18 (10)
Carbohydrates, % kcal 44 (10) 42 (9) 23 (11) 42 (11) 25 (12) 42 (9)
Protein, % kcal 17 (5) 18 (5) 25 (6) 18 (6) 24 (7) 17 (6)
Fat, % kcal 37 (8) 38 (8) 50 (9) 37 (10) 48 (10) 38 (8)
SFA, % kcal 12 (4) 12 (3) 15 (4) 12 (4) 15 (4) 12 (4)
MUFA, % kcal 13 (4) 14 (4) 18 (5) 13 (4) 18 (5) 14 (4)
PUFA, % kcal 8 (3) 9 (3) 12 (5) 8 (3) 12 (4) 9 (3)
Glycemic load, median (IQR), glucose reference 107 (81-138) 96 (69-136) 26 (16-49) 91 (68-115) 34 (18-52) 95 (77-124)
Added sugars, median (IQR), g 64 (28-80) 43 (24-80) 9 (4-18) 40 (23-59) 11 (5-31) 45 (22-66)
Sugar-sweetened beverages, median (IQR), servings 0.38 (0.00-1.48) 0.38 (0.00-1.25) 0.00 0.00 (0.00-0.75) 0.00 0 (0-1.00)

Abbreviations: MUFA, monounsaturated fatty acid; PUFA, polyunsaturated fatty acid; SFA, saturated fatty acid.

a

Calculated as total carbohydrates minus fiber.