Single‐dose intravesical chemotherapy instillation vs placebo or observation after nephroureterectomy: Time to bladder cancer recurrence (absolute effect size estimates based on recurrence rate at 12 months)
Single‐dose intravesical chemotherapy instillation may leads to lower time to bladder cancer recurrence (absolute effect size estimates… compared with placebo or observation after nephroureterectomy (low certainty).
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Single‐dose intravesical chemotherapy instillation vs placebo or observation after nephroureterectomy Time to bladder cancer recurrence (absolute effect size estimates based on recurrence rate at 12 months) Single‐dose intravesical chemotherapy instillation may leads to lower time to bladder cancer recurrence (absolute effect size estimates… compared with placebo or observation after nephroureterectomy (low certainty). Single‐dose intravesical chemotherapy after nephroureterectomy for upper tract urothelial carcinoma (2019) · Cochrane Headline outcomes only | HR 0.51 [0.32, 0.82] | 2 studies · 311 participants | Low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Single‐dose intravesical chemotherapy after nephroureterectomy for upper tract urothelial carcinoma 2019 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not assessed |
Studies behind the findings
None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.