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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
Injectional collagenase vs placebo
Treatment‐related adverse effects · men with Peyronie's disease (diagnosis of disease: at least 12 months, penile curvature: at least 30 degrees)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
RR 2.32 [1.98, 2.72]1 study · 832 participantsModerate
Injectional collagenase vs placebo
Degree of penile curvature · men with Peyronie's disease (diagnosis of disease: at least 12 months, penile curvature: at least 30 degrees)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extracted1 study · 612 participantsModerate
Injectional collagenase vs placebo
Discontinuation from treatment · men with Peyronie's disease (diagnosis of disease: at least 12 months, penile curvature: at least 30 degrees)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
RR 1.25 [0.84, 1.86]1 study · 836 participantsVery low
Injectional verapamil vs saline (short‐term)
Outcomes ( · men with Peyronie's disease (palpable plaque or pain)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Injectional verapamil vs saline (short‐term)
Patient‐reported ability to have intercourse · men with Peyronie's disease (palpable plaque or pain)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
RR 7 [0.43, 114.7]1 study · 14 participantsVery low
Injectional verapamil vs saline (short‐term)
Quality of life · men with Peyronie's disease (palpable plaque or pain)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Potassium paraaminobenzoate vs placebo
Treatment‐related adverse effects · men with acute (maximum of 12 months) Peyronie's disease with no prior treatment and no evidence of calcified plaques…
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
RR 1.27 [0.36, 4.48]1 study · 103 participantsVery low
Injectional verapamil vs saline (short‐term)
Treatment‐related adverse effects · men with Peyronie's disease (palpable plaque or pain)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extracted1 study · 14 participantsVery low
Injectional verapamil vs saline (short‐term)
Degree of penile curvature · men with Peyronie's disease (palpable plaque or pain)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extracted1 study · 14 participantsVery low
Injectional verapamil vs saline (short‐term)
Discontinuation from treatment · men with Peyronie's disease (palpable plaque or pain)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Injectional Botox vs placebo
Outcomes ( · men with Peyronie's disease (stable phase)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Injectional Botox vs placebo
Patient‐reported ability to have intercourse · men with Peyronie's disease (stable phase)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Injectional Botox vs placebo
Quality of life · men with Peyronie's disease (stable phase)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extracted1 study · 12 participantsVery low
Injectional Botox vs placebo
Treatment‐related adverse effects · men with Peyronie's disease (stable phase)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Injectional Botox vs placebo
Degree of penile curvature · men with Peyronie's disease (stable phase)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Injectional Botox vs placebo
Discontinuation from treatment · men with Peyronie's disease (stable phase)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Extracorporeal shock wave treatment (ESWT) vs sham
Outcomes ( · men with Peyronie's disease (penile plaque with pain and/or curvature, diagnosis of disease: from acute (< 12 months)…
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Potassium paraaminobenzoate vs placebo
Degree of penile curvature · men with acute (maximum of 12 months) Peyronie's disease with no prior treatment and no evidence of calcified plaques…
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Extracorporeal shock wave treatment (ESWT) vs sham
Patient‐reported ability to have intercourse · men with Peyronie's disease (penile plaque with pain and/or curvature, diagnosis of disease: from acute (< 12 months)…
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
RR 1.6 [0.71, 3.6]1 study · 26 participantsVery low
Extracorporeal shock wave treatment (ESWT) vs sham
Quality of life · men with Peyronie's disease (penile plaque with pain and/or curvature, diagnosis of disease: from acute (< 12 months)…
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extracted2 studies · 130 participantsLow
Extracorporeal shock wave treatment (ESWT) vs sham
Treatment‐related adverse effects · men with Peyronie's disease (penile plaque with pain and/or curvature, diagnosis of disease: from acute (< 12 months)…
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
RR 2.73 [0.74, 10.14]3 studies · 166 participantsVery low
Extracorporeal shock wave treatment (ESWT) vs sham
Degree of penile curvature · men with Peyronie's disease (penile plaque with pain and/or curvature, diagnosis of disease: from acute (< 12 months)…
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extracted3 studies · 166 participantsLow
Extracorporeal shock wave treatment (ESWT) vs sham
Discontinuation from treatment · men with Peyronie's disease (penile plaque with pain and/or curvature, diagnosis of disease: from acute (< 12 months)…
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
RR 0.57 [0.06, 5.65]4 studies · 238 participantsVery low
Penile traction therapy vs no treatment (short‐term)
Outcomes ( · men with Peyronie's disease (diagnosis of disease: varying, penile curvature: at least 30 degrees)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Penile traction therapy vs no treatment (short‐term)
Patient‐reported ability to have intercourse · men with Peyronie's disease (diagnosis of disease: varying, penile curvature: at least 30 degrees)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Penile traction therapy vs no treatment (short‐term)
Quality of life · men with Peyronie's disease (diagnosis of disease: varying, penile curvature: at least 30 degrees)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extracted1 study · 82 participantsVery low
Penile traction therapy vs no treatment (short‐term)
Treatment‐related adverse effects · men with Peyronie's disease (diagnosis of disease: varying, penile curvature: at least 30 degrees)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extracted1 study · 90 participantsVery low
Penile traction therapy vs no treatment (short‐term)
Degree of penile curvature · men with Peyronie's disease (diagnosis of disease: varying, penile curvature: at least 30 degrees)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extracted1 study · 89 participantsVery low
Potassium paraaminobenzoate vs placebo
Discontinuation from treatment · men with acute (maximum of 12 months) Peyronie's disease with no prior treatment and no evidence of calcified plaques…
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
RR 1.36 [0.72, 2.58]1 study · 103 participantsVery low
Penile traction therapy vs no treatment (short‐term)
Discontinuation from treatment · men with Peyronie's disease (diagnosis of disease: varying, penile curvature: at least 30 degrees)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
RR 0.86 [0.31, 2.36]2 studies · 182 participantsVery low
Injectional interferon alpha‐2B vs saline
Outcomes ( · men with chronic (≥ 12 months) Peyronie's disease (single plaque)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Injectional interferon alpha‐2B vs saline
Patient‐reported ability to have intercourse · men with chronic (≥ 12 months) Peyronie's disease (single plaque)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Injectional interferon alpha‐2B vs saline
Quality of life · men with chronic (≥ 12 months) Peyronie's disease (single plaque)
Non‐surgical therapies for Peyronie's disease (2023) · Cochrane
no estimate extractedNRNo studies
Tubeless PNL vs standard PNL
Severe adverse events MCID: 50 per 1000 · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
RR 1.53 [0.14, 16.46]2 studies · 46 participantsVery low
Totally tubeless PNL vs standard PNL
Operating time (minutes) MCID: 15 min · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
no estimate extracted2 studies · 174 participantsModerate
Totally tubeless PNL vs standard PNL
Length of hospital stay (days) MCID: 0.5 days · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
no estimate extracted4 studies · 274 participantsModerate
Totally tubeless PNL vs standard PNL
Blood transfusion MCID: 10 per 1000 · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
RR 0.62 [0.26, 1.48]4 studies · 274 participantsVery low
Totally tubeless PNL vs standard PNL
Sepsis or fever MCID: 50 per 1000 · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
RR 0.33 [0.01, 7.97]1 study · 90 participantsLow
Totally tubeless PNL vs standard PNL
Readmission (first 30 days) MCID: 50 per 1000 · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
no estimate extracted1 study · 50 participantsVery low
Tubeless PNL vs standard PNL
Postoperative pain (day 1) · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
no estimate extracted4 studies · 186 participantsLow
Tubeless PNL vs standard PNL
Operating time (minutes) MCID: 15 min · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
no estimate extracted3 studies · 81 participantsModerate
Tubeless PNL vs standard PNL
Length of hospital stay (days) MCID: 0.5 days · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
no estimate extracted6 studies · 238 participantsLow
Tubeless PNL vs standard PNL
Blood transfusion MCID: 10 per 1000 · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
RR 0.64 [0.16, 2.52]4 studies · 161 participantsVery low
Tubeless PNL vs standard PNL
Sepsis or fever MCID: 50 per 1000 · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
RR 0.5 [0.05, 4.75]2 studies · 82 participantsVery low
Tubeless PNL vs standard PNL
Readmission (first 30 days) MCID: 50 per 1000 · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
RR 1 [0.07, 14.21]1 study · 24 participantsVery low
Totally tubeless PNL vs standard PNL
Severe adverse events MCID: 50 per 1000 · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
RR 0.49 [0.19, 1.25]2 studies · 174 participantsLow
Totally tubeless PNL vs standard PNL
Postoperative pain (day 1) · treating kidney stones
Totally tubeless, tubeless, and tubed percutaneous nephrolithotomy for treating kidney stones (2023) · Cochrane
no estimate extracted1 study · 50 participantsLow
Dose‐escalated RT vs conventional dose RT
Time to death from prostate cancer · clinically localized and locally advanced prostate cancer
Dose‐escalated radiotherapy for clinically localized and locally advanced prostate cancer (2023) · Cochrane
HR 0.83 [0.66, 1.04]8 studies · 5231 participantsModerate
Dose‐escalated RT vs conventional dose RT
Severe RT toxicity (grade ≥ 3) · clinically localized and locally advanced prostate cancer
Dose‐escalated radiotherapy for clinically localized and locally advanced prostate cancer (2023) · Cochrane
RR 1.72 [1.32, 2.25]8 studies · 4992 participantsModerate
Dose‐escalated RT vs conventional dose RT
Time to death from any cause · clinically localized and locally advanced prostate cancer
Dose‐escalated radiotherapy for clinically localized and locally advanced prostate cancer (2023) · Cochrane
HR 0.98 [0.89, 1.09]9 studies · 5437 participantsModerate