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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

1,000 questions in 69 reviews · Urology

current versions
No studies 196 · 19.6%Ungraded 33 · 3.3%Very low 198 · 19.8%Low 354 · 35.4%Moderate 206 · 20.6%High 13 · 1.3%

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.

QuestionEffectEvidenceStatus / GRADE
PDEI plus alpha‐blocker vs alpha‐blockers alone
IPSS‐total score
Phosphodiesterase inhibitors for lower urinary tract symptoms consistent with benign prostatic hyperplasia (2018) · Cochrane
no estimate extracted4 studies · 193 participantsLow
PDEI plus alpha‐blocker vs alpha‐blockers alone
BPHII score
Phosphodiesterase inhibitors for lower urinary tract symptoms consistent with benign prostatic hyperplasia (2018) · Cochrane
no estimate extractedNRNo studies
PDEI plus alpha‐blocker vs alpha‐blockers alone
Adverse effects
Phosphodiesterase inhibitors for lower urinary tract symptoms consistent with benign prostatic hyperplasia (2018) · Cochrane
RR 2.81 [1.53, 5.17]4 studies · 194 participantsModerate
Scheduled PDE5I vs on demand placebo or no treatment
Self‐reported potency · post‐prostatectomy erectile dysfunction (short‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 1.13 [0.91, 1.41]4 studies · 628 participantsVery low
Scheduled PDE5I vs on demand placebo or no treatment
Sexual quality of life · post‐prostatectomy erectile dysfunction (long‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extracted1 study · 280 participantsModerate
Scheduled PDE5I vs on demand placebo or no treatment
Treatment discontinuation · post‐prostatectomy erectile dysfunction (long‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 1.12 [0.85, 1.48]1 study · 420 participantsModerate
Scheduled PDE5I vs on demand placebo or no treatment
International Index of Erectile Function ‐ not reported · post‐prostatectomy erectile dysfunction (long‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extractedNRNo studies
Scheduled PDE5I vs on demand PDE5I
Self‐reported potency · post‐prostatectomy erectile dysfunction (short‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 0.97 [0.62, 1.53]2 studies · 532 participantsVery low
Scheduled PDE5I vs on demand PDE5I
Erectile function · post‐prostatectomy erectile dysfunction (short‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 1 [0.65, 1.55]2 studies · 573 participantsVery low
Scheduled PDE5I vs on demand PDE5I
Serious adverse events · post‐prostatectomy erectile dysfunction (short‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 0.69 [0.12, 4.04]1 study · 282 participantsVery low
Scheduled PDE5I vs on demand PDE5I
Sexual quality of life ‐ not reported · post‐prostatectomy erectile dysfunction (short‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extractedNRNo studies
Scheduled PDE5I vs on demand PDE5I
Treatment discontinuation · post‐prostatectomy erectile dysfunction (short‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 1.35 [0.85, 2.12]1 study · 282 participantsLow
Scheduled PDE5I vs on demand PDE5I
International Index of Erectile Function · post‐prostatectomy erectile dysfunction (short‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extracted1 study · 281 participantsHigh
Scheduled PDE5I vs on demand PDE5I
Self‐reported potency · post‐prostatectomy erectile dysfunction (long‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 1 [0.6, 1.67]1 study · 94 participantsVery low
Scheduled PDE5I vs on demand placebo or no treatment
Erectile function · post‐prostatectomy erectile dysfunction (short‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 1.11 [0.8, 1.55]5 studies · 757 participantsVery low
Scheduled PDE5I vs on demand PDE5I
Erectile function · post‐prostatectomy erectile dysfunction (long‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 0.74 [0.48, 1.14]2 studies · 168 participantsVery low
Scheduled PDE5I vs on demand PDE5I
Serious adverse events ‐ not reported · post‐prostatectomy erectile dysfunction (long‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extractedNRNo studies
Scheduled PDE5I vs on demand PDE5I
Sexual quality of life · post‐prostatectomy erectile dysfunction (long‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extracted1 study · 281 participantsModerate
Scheduled PDE5I vs on demand PDE5I
Treatment discontinuation · post‐prostatectomy erectile dysfunction (long‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 1.09 [0.86, 1.38]3 studies · 612 participantsVery low
Scheduled PDE5I vs on demand PDE5I
International Index of Erectile Function ‐ not reported · post‐prostatectomy erectile dysfunction (long‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extractedNRNo studies
Scheduled PDE5I vs scheduled intraurethral prostaglandin E1
Self‐reported potency · post‐prostatectomy erectile dysfunction (short term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 1.1 [0.79, 1.52]1 study · 156 participantsVery low
Scheduled PDE5I vs scheduled intraurethral prostaglandin E1
Erectile function · post‐prostatectomy erectile dysfunction (short term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 1.64 [0.84, 3.2]1 study · 156 participantsVery low
Scheduled PDE5I vs scheduled intraurethral prostaglandin E1
Erectile function · post‐prostatectomy erectile dysfunction (short term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 1.2 [0.79, 1.81]1 study · 156 participantsVery low
Scheduled PDE5I vs scheduled intraurethral prostaglandin E1
Serious adverse events ‐ not reported · post‐prostatectomy erectile dysfunction (short term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extractedNRNo studies
Scheduled PDE5I vs scheduled intraurethral prostaglandin E1
Sexual quality of life ‐ not reported · post‐prostatectomy erectile dysfunction (short term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extractedNRNo studies
Scheduled PDE5I vs on demand placebo or no treatment
Serious adverse events · post‐prostatectomy erectile dysfunction (short‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 0.32 [0.11, 0.94]3 studies · 443 participantsLow
Scheduled PDE5I vs scheduled intraurethral prostaglandin E1
Treatment discontinuation ‐ not reported · post‐prostatectomy erectile dysfunction (short term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extractedNRNo studies
Scheduled PDE5I vs scheduled intraurethral prostaglandin E1
International Index of Erectile Function ‐ not reported · post‐prostatectomy erectile dysfunction (short term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extractedNRNo studies
Scheduled PDE5I vs on demand placebo or no treatment
Sexual quality of life ‐ not reported · post‐prostatectomy erectile dysfunction (short‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extractedNRNo studies
Scheduled PDE5I vs on demand placebo or no treatment
Treatment discontinuation · post‐prostatectomy erectile dysfunction (short‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
RR 0.98 [0.72, 1.34]3 studies · 443 participantsVery low
Scheduled PDE5I vs on demand placebo or no treatment
International Index of Erectile Function · post‐prostatectomy erectile dysfunction (short‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extracted2 studies · 356 participantsLow
Scheduled PDE5I vs on demand placebo or no treatment
Self‐reported potency ‐ not reported · post‐prostatectomy erectile dysfunction (long‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extractedNRNo studies
Scheduled PDE5I vs on demand placebo or no treatment
Erectile function ‐ not reported · post‐prostatectomy erectile dysfunction (long‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extractedNRNo studies
Scheduled PDE5I vs on demand placebo or no treatment
Serious adverse events ‐ not reported · post‐prostatectomy erectile dysfunction (long‐term)
Penile rehabilitation for postprostatectomy erectile dysfunction (2018) · Cochrane
no estimate extractedNRNo studies
Acupuncture vs sham procedure
Prostatitis Symptoms · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extracted3 studies · 204 participantsModerate
Acupuncture vs medical treatment
Sexual dysfunction ‐ not reported · treating chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Acupuncture vs medical treatment
Quality of life ‐ not reported · treating chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Acupuncture vs medical treatment
Depression and anxiety ‐ not reported · treating chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Circumcision plus usual care vs waiting list plus usual care
Prostatitis symptoms · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extracted1 study · 713 participantsModerate
Circumcision plus usual care vs waiting list plus usual care
Adverse events3 · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
RR 1.23 [0.86, 1.76]1 study · 713 participantsLow
Circumcision plus usual care vs waiting list plus usual care
Sexual dysfunction ‐ not reported · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Circumcision plus usual care vs waiting list plus usual care
Quality of life ‐ not reported · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Circumcision plus usual care vs waiting list plus usual care
Depression and anxiety ‐ not reported · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Electromagnetic chair vs control intervention
Prostatitis symptoms · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extracted2 studies · 57 participantsVery low
Electromagnetic chair vs control intervention
Adverse events · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extracted2 studies · 57 participantsLow
Acupuncture vs sham procedure
Prostatitis Symptoms · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
RR 2.49 [0.77, 8.02]2 studies · 113 participantsVery low
Electromagnetic chair vs control intervention
Sexual dysfunction ‐ not reported · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Electromagnetic chair vs control intervention
Quality of life ‐ not reported · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Electromagnetic chair vs control intervention
Depression and anxiety ‐ not reported · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Lifestyle modifications vs control
Prostatitis symptoms: response defined as 6‐point decrease in NIH‐CPSI score · participants with chronic prostatitis/chronic pelvic pain syndrome
Non‐pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome (2018) · Cochrane
RR 3.9 [2.2, 6.92]1 study · 100 participantsVery low