Studies were excluded if treatment allocation was not
random, the study included participants less than 18 years
of age, there was no difference in carbohydrate or fat
intakes between diets, there were differences other than
macronutrient and energy intake between the 2 diets, metabolic
risk factors were not reported by treatment status, the
variance of outcomes could not be calculated, and/or the
duration of intervention was less than 6 months When
the results of a study were published more than once, only
the most recent or most complete article was included in