Cochrane · systematic review · CD001321

Cranberries for preventing urinary tract infections

Williams, G, Stothart, CI, Hahn, D, et al. · Cochrane Database of Systematic Reviews · 2023 · Cochrane Library

Kidney and Transplant2 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
6
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 2 · 33.3%Moderate 4 · 66.7%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

Show all 2 versions

Any cranberry product versus placebo or control for preventing urinary tract infection

Population: preventing UTI
6 questions
OutcomeEffectEvidenceStatus / GRADE
Symptomatic, culture‐verified UTI Women with recurrent UTI
Any cranberry product vs placebo or control
RR 0.74 [0.55, 0.99]8 studies · 1555 participantsModerate
Downgraded: inconsistency
Symptomatic, culture‐verified UTI Elderly men and women in institutions
Any cranberry product vs placebo or control
RR 0.93 [0.67, 1.3]3 studies · 1489 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency
Symptomatic, culture‐verified UTI Children
Any cranberry product vs placebo or control
RR 0.53 [0.36, 0.78]4 studies · 428 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency
Symptomatic, culture‐verified UTI Adults with bladder emptying issues or multiple sclerosis
Any cranberry product vs placebo or control
RR 0.97 [0.78, 1.19]3 studies · 464 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Symptomatic, culture‐verified UTI People with a susceptibility to a UTI due to an intervention
Any cranberry product vs placebo or control
RR 0.476 studies · 1434 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Gastrointestinal adverse events
Any cranberry product vs placebo or control
RR 1.33 [1, 1.77]10 studies · 2166 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency