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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. Every word you type has to appear somewhere in the question, and the closest matches are ranked first.

Limit to evidence status or GRADE (optional)

75,239 questions in 5,342 reviews

current versions
No studies 15,213 · 20.2%Ungraded 10,323 · 13.7%Very low 17,528 · 23.3%Low 17,951 · 23.9%Moderate 11,190 · 14.9%High 3,034 · 4%

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
Testosterone as an add‐on to PDE5I vs PDE5I alone
Sexual quality of life · men with sexual dysfunction
Testosterone replacement in men with sexual dysfunction (2024) · Cochrane
no estimate extracted2 studies · 282 participantsLow
Testosterone as an add‐on to PDE5I vs PDE5I alone
Cardiovascular mortality · men with sexual dysfunction
Testosterone replacement in men with sexual dysfunction (2024) · Cochrane
no estimate extractedNRNo studies
Testosterone as an add‐on to PDE5I vs PDE5I alone
Treatment withdrawal due to adverse events · men with sexual dysfunction
Testosterone replacement in men with sexual dysfunction (2024) · Cochrane
RR 1.26 [0.32, 4.91]3 studies · 388 participantsLow
Testosterone as an add‐on to PDE5I vs PDE5I alone
Prostate‐related events · men with sexual dysfunction
Testosterone replacement in men with sexual dysfunction (2024) · Cochrane
RR 6.83 [0.84, 55.37]3 studies · 373 participantsVery low
Testosterone as an add‐on to PDE5I vs PDE5I alone
Lower urinary tract symptoms · men with sexual dysfunction
Testosterone replacement in men with sexual dysfunction (2024) · Cochrane
no estimate extractedNRNo studies
Testosterone vs placebo
Sexual quality of life · men with sexual dysfunction
Testosterone replacement in men with sexual dysfunction (2024) · Cochrane
no estimate extracted5 studies · 1030 participantsModerate
Testosterone vs placebo
Sexual quality of life · men with sexual dysfunction
Testosterone replacement in men with sexual dysfunction (2024) · Cochrane
no estimate extracted2 studies · 786 participantsModerate
Testosterone vs placebo
Cardiovascular mortality · men with sexual dysfunction
Testosterone replacement in men with sexual dysfunction (2024) · Cochrane
RR 0.83 [0.21, 3.26]10 studies · 3525 participantsModerate
Testosterone vs placebo
Treatment withdrawal due to adverse events · men with sexual dysfunction
Testosterone replacement in men with sexual dysfunction (2024) · Cochrane
RR 0.81 [0.56, 1.19]12 studies · 2966 participantsModerate
Testosterone vs placebo
Prostate‐related events: · men with sexual dysfunction
Testosterone replacement in men with sexual dysfunction (2024) · Cochrane
RR 1.65 [1.08, 2.51]10 studies · 3439 participantsModerate
Testosterone vs placebo
Lower urinary tract symptoms · men with sexual dysfunction
Testosterone replacement in men with sexual dysfunction (2024) · Cochrane
no estimate extracted6 studies · 1488 participantsModerate
Testosterone vs placebo
Erectile function · men with sexual dysfunction
Testosterone replacement in men with sexual dysfunction (2024) · Cochrane
no estimate extracted1 study · 42 participantsVery low
Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs moderate NMB
All‐cause mortality short‐term · adults undergoing intra‐ and transperitoneal laparoscopic procedures
Deep neuromuscular blockade in adults undergoing an abdominal laparoscopic procedure (2024) · Cochrane
Peto OR 7.22 [0.45, 115.43]12 studies · 1390 participantsVery low
Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs no NMB
Serious adverse events (SAEs) start of surgery until 8 hours after surgery · adults undergoing intra‐ and transperitoneal laparoscopic procedures
Deep neuromuscular blockade in adults undergoing an abdominal laparoscopic procedure (2024) · Cochrane
no estimate extracted1 study · 25 participantsVery low
Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs moderate NMB
Health‐related quality of life · adults undergoing intra‐ and transperitoneal laparoscopic procedures
Deep neuromuscular blockade in adults undergoing an abdominal laparoscopic procedure (2024) · Cochrane
no estimate extracted5 studies · 440 participantsModerate
Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs moderate NMB
Serious adverse events (SAEs) start of surgery until 8 hours after surgery · adults undergoing intra‐ and transperitoneal laparoscopic procedures
Deep neuromuscular blockade in adults undergoing an abdominal laparoscopic procedure (2024) · Cochrane
Peto OR 0.95 [0.59, 1.52]21 studies · 2231 participantsVery low
Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs moderate NMB
Short‐term serious adverse events (SAEs) · adults undergoing intra‐ and transperitoneal laparoscopic procedures
Deep neuromuscular blockade in adults undergoing an abdominal laparoscopic procedure (2024) · Cochrane
Peto OR 0.9 [0.56, 1.42]16 studies · 1764 participantsVery low
Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs shallow NMB
All‐cause mortality ‐ not reported · adults undergoing intra‐ and transperitoneal laparoscopic procedures
Deep neuromuscular blockade in adults undergoing an abdominal laparoscopic procedure (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs shallow NMB
Health‐related quality of life ‐ not reported · adults undergoing intra‐ and transperitoneal laparoscopic procedures
Deep neuromuscular blockade in adults undergoing an abdominal laparoscopic procedure (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs shallow NMB
Short‐term serious adverse events (SAEs) · adults undergoing intra‐ and transperitoneal laparoscopic procedures
Deep neuromuscular blockade in adults undergoing an abdominal laparoscopic procedure (2024) · Cochrane
RR 1.66 [0.5, 5.57]2 studies · 158 participantsVery low
Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs no NMB
All‐cause mortality start of surgery ‐ not reported · adults undergoing intra‐ and transperitoneal laparoscopic procedures
Deep neuromuscular blockade in adults undergoing an abdominal laparoscopic procedure (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs no NMB
Health‐related quality of life ‐ not reported · adults undergoing intra‐ and transperitoneal laparoscopic procedures
Deep neuromuscular blockade in adults undergoing an abdominal laparoscopic procedure (2024) · Cochrane
no estimate extractedNRNo studies
Surgical thrombectomy vs pulse spray technique
Patency at 30 days · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 1.05 [0.86, 1.29]2 studies · 100 participantsVery low
Surgical thrombectomy vs mechanical thrombectomy
Failure · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 0.92 [0.64, 1.32]3 studies · 404 participantsVery low
Surgical thrombectomy vs mechanical thrombectomy
Technical success · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 0.97 [0.85, 1.1]2 studies · 251 participantsLow
Surgical thrombectomy vs mechanical thrombectomy
Access dysfunction · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
no estimate extractedNRNo studies
Surgical thrombectomy vs mechanical thrombectomy
Successful dialysis · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
no estimate extractedNRNo studies
Surgical thrombectomy vs mechanical thrombectomy
Major adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 1.98 [0.78, 5.03]3 studies · 404 participantsVery low
Surgical thrombectomy vs mechanical thrombectomy
Minor adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 0.89 [0.54, 1.48]3 studies · 404 participantsVery low
Surgical thrombectomy vs mechanical thrombectomy
Death · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 1.15 [0.17, 7.99]1 study · 153 participantsVery low
Mechanical thrombectomy vs pulse spray technique
Patency at 30 days · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 0.96 [0.82, 1.12]3 studies · 372 participantsVery low
Mechanical thrombectomy vs pulse spray technique
Failure · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 0.72 [0.41, 1.25]3 studies · 372 participantsVery low
Mechanical thrombectomy vs pulse spray technique
Technical success · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 1.04 [0.94, 1.14]3 studies · 372 participantsVery low
Surgical thrombectomy vs pulse spray technique
Failure · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 0.67 [0.14, 3.17]1 study · 20 participantsVery low
Mechanical thrombectomy vs pulse spray technique
Access dysfunction · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
no estimate extractedNRNo studies
Mechanical thrombectomy vs pulse spray technique
Successful dialysis · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
no estimate extractedNRNo studies
Mechanical thrombectomy vs pulse spray technique
Major adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 1.26 [0.54, 2.92]3 studies · 372 participantsVery low
Mechanical thrombectomy vs pulse spray technique
Minor adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 0.7 [0.1, 4.98]2 studies · 252 participantsVery low
Mechanical thrombectomy vs pulse spray technique
Death · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 6.56 [0.35, 124.23]1 study · 120 participantsVery low
Mechanical thrombectomy vs continuous infusion
Patency at 30 days · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 0.93 [0.84, 1.02]2 studies · 118 participantsVery low
Mechanical thrombectomy vs continuous infusion
Failure · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
no estimate extractedNRNo studies
Mechanical thrombectomy vs continuous infusion
Technical success · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 1 [0.87, 1.15]1 study · 40 participantsVery low
Mechanical thrombectomy vs continuous infusion
Access dysfunction · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
no estimate extractedNRNo studies
Mechanical thrombectomy vs continuous infusion
Successful dialysis · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
no estimate extractedNRNo studies
Surgical thrombectomy vs pulse spray technique
Technical success · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
no estimate extractedNRNo studies
Mechanical thrombectomy vs continuous infusion
Major adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
no estimate extractedNRNo studies
Mechanical thrombectomy vs continuous infusion
Minor adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
RR 0.32 [0.09, 1.16]2 studies · 118 participantsVery low
Mechanical thrombectomy vs continuous infusion
Death · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
no estimate extractedNRNo studies
Surgical thrombectomy vs continuous infusion
Patency at 30 days · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
no estimate extractedNRNo studies
Surgical thrombectomy vs continuous infusion
Failure · thrombosed haemodialysis arteriovenous fistulas and grafts
Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane
no estimate extractedNRNo studies