Table 1.

PICOS Criteria for Inclusion and Exclusion of Studies

ParameterInclusion criteriaExclusion criteria
PopulationOverweight children and adolescents from 6 to 18 y old or with obesity including participants with any particular medical conditionAnimal models, adults, athletes, or normal-weight youth
InterventionIncluding at least 1 arm with a carbohydrate-restricted diet (upper limit of 40% of carbohydrates per day of the total caloric intake)Involving no carbohydrate-restricted diet or a carbohydrate-restricted diet with >40% of carbohydrates per day of their total caloric intake
ComparatorAnother diet-intervention arm including low-fat and caloric-restricted diet
OutcomeAnthropometric or biological parameters as weight, BMI, BMI z-score, waist circumference, body composition, triglycerides, LDL and HDL cholesterol, insulin, HOMA-IRInvestigating neither anthropometric or biological parameters
Study designWe included any longitudinal clinical trials
  • Crossover clinical trials

  • Reviews, systematic reviews, meta-analyses, or conference abstracts

ParameterInclusion criteriaExclusion criteria
PopulationOverweight children and adolescents from 6 to 18 y old or with obesity including participants with any particular medical conditionAnimal models, adults, athletes, or normal-weight youth
InterventionIncluding at least 1 arm with a carbohydrate-restricted diet (upper limit of 40% of carbohydrates per day of the total caloric intake)Involving no carbohydrate-restricted diet or a carbohydrate-restricted diet with >40% of carbohydrates per day of their total caloric intake
ComparatorAnother diet-intervention arm including low-fat and caloric-restricted diet
OutcomeAnthropometric or biological parameters as weight, BMI, BMI z-score, waist circumference, body composition, triglycerides, LDL and HDL cholesterol, insulin, HOMA-IRInvestigating neither anthropometric or biological parameters
Study designWe included any longitudinal clinical trials
  • Crossover clinical trials

  • Reviews, systematic reviews, meta-analyses, or conference abstracts

Abbreviations: BMI, body mass index; HDL, high-density lipoprotein; HOMA-IR, homeostasis model assessment of insulin resistance; LDL, low-density lipoprotein

Table 1.

PICOS Criteria for Inclusion and Exclusion of Studies

ParameterInclusion criteriaExclusion criteria
PopulationOverweight children and adolescents from 6 to 18 y old or with obesity including participants with any particular medical conditionAnimal models, adults, athletes, or normal-weight youth
InterventionIncluding at least 1 arm with a carbohydrate-restricted diet (upper limit of 40% of carbohydrates per day of the total caloric intake)Involving no carbohydrate-restricted diet or a carbohydrate-restricted diet with >40% of carbohydrates per day of their total caloric intake
ComparatorAnother diet-intervention arm including low-fat and caloric-restricted diet
OutcomeAnthropometric or biological parameters as weight, BMI, BMI z-score, waist circumference, body composition, triglycerides, LDL and HDL cholesterol, insulin, HOMA-IRInvestigating neither anthropometric or biological parameters
Study designWe included any longitudinal clinical trials
  • Crossover clinical trials

  • Reviews, systematic reviews, meta-analyses, or conference abstracts

ParameterInclusion criteriaExclusion criteria
PopulationOverweight children and adolescents from 6 to 18 y old or with obesity including participants with any particular medical conditionAnimal models, adults, athletes, or normal-weight youth
InterventionIncluding at least 1 arm with a carbohydrate-restricted diet (upper limit of 40% of carbohydrates per day of the total caloric intake)Involving no carbohydrate-restricted diet or a carbohydrate-restricted diet with >40% of carbohydrates per day of their total caloric intake
ComparatorAnother diet-intervention arm including low-fat and caloric-restricted diet
OutcomeAnthropometric or biological parameters as weight, BMI, BMI z-score, waist circumference, body composition, triglycerides, LDL and HDL cholesterol, insulin, HOMA-IRInvestigating neither anthropometric or biological parameters
Study designWe included any longitudinal clinical trials
  • Crossover clinical trials

  • Reviews, systematic reviews, meta-analyses, or conference abstracts

Abbreviations: BMI, body mass index; HDL, high-density lipoprotein; HOMA-IR, homeostasis model assessment of insulin resistance; LDL, low-density lipoprotein

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