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
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
Current version onlyAny cranberry product versus placebo or control for preventing urinary tract infection
Population: preventing UTI
| Outcome | Effect | Evidence | Status / 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 participants | Moderate 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 participants | Moderate 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 participants | Moderate 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 participants | Low 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 0.47 | 6 studies · 1434 participants | Low 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 participants | Moderate Downgraded: risk of bias, imprecision, inconsistency |
Any cranberry product versus placebo or control for preventing urinary tract infection
Population: preventing UTI
| Outcome | Effect | Evidence | Status / 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 participants | Moderate 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 participants | Moderate 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 participants | Moderate 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 participants | Low 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 0.47 | 6 studies · 1434 participants | Low 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 participants | Moderate Downgraded: risk of bias, imprecision, inconsistency |