Cochrane · systematic review · CD008274

Long‐term effects of weight‐reducing diets in people with hypertension

Semlitsch, T, Krenn, C, Jeitler, K, et al. · Cochrane Database of Systematic Reviews · 2021 · Cochrane Library

Hypertension2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
6
current version
GRADE rated
5
No studies
1
Included studies
NR
No studies 1 · 16.7%Ungraded 0 · 0%Very low 2 · 33.3%Low 2 · 33.3%Moderate 1 · 16.7%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Current version only

Weight‐reducing diets versus no weight‐reducing diets for adults with essential hypertension

Population: Men and non‐pregnant women ≥ 18 years old with essential hypertension
CD008274.PUB4 (current) · 6 questions
OutcomeEffectEvidenceStatus / GRADE
Total mortality
Weight‐reducing diets vs no weight‐reducing diets
no estimate extracted3 studies · 845 participantsVery low
Downgraded: risk of bias
Cardiovascular morbidity Combined endpoint: necessity of reinstating antihypertensive therapy and severe cardiovascular complications
Weight‐reducing diets vs no weight‐reducing diets
no estimate extracted1 study · 294 participantsVery low
Downgraded: risk of bias, imprecision
Adverse events
Weight‐reducing diets vs no weight‐reducing diets
no estimate extractedNRNo studies
Changes in systolic blood pressure [mm Hg] from baseline to end of study
Weight‐reducing diets vs no weight‐reducing diets
no estimate extracted3 studies · 731 participantsLow
Downgraded: risk of bias, imprecision
Changes in diastolic blood pressure [mm Hg] from baseline to end of study
Weight‐reducing diets vs no weight‐reducing diets
no estimate extracted3 studies · 731 participantsLow
Downgraded: risk of bias, imprecision
Changes in body weight [kg] from baseline to end of study
Weight‐reducing diets vs no weight‐reducing diets
no estimate extracted5 studies · 880 participantsModerate
Downgraded: risk of bias

Comparison

Population: Men and non‐pregnant women ≥ 18 years old with essential hypertension
CD008274.PUB3 · 4 questions
OutcomeEffectEvidenceStatus / GRADE
Changes in systolic blood pressure [mm Hg] from baseline to end of study
no estimate extracted3 studies · 731 participantsLow
Downgraded: risk of bias
Changes in diastolic blood pressure [mm Hg] from baseline to end of study
no estimate extracted3 studies · 731 participantsLow
Downgraded: risk of bias
Changes in body weight [kg] from baseline to end of study
no estimate extracted5 studies · 880 participantsModerate
Downgraded: risk of bias
Cardiovascular morbidity combined endpoint: necessity of reinstating antihypertensive therapy and severe cardiovascular complications
no estimate extracted1 study · 294 participantsVery low
Downgraded: risk of bias