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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)

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
Intervention NR
Davies 2016 · children (aged 0 to < 18 years) who underwent blunt trauma evaluation in the emergency department Index test: CDRs or…
Triage tools for detecting cervical spine injury in paediatric trauma patients (2024) · Cochrane
no estimate extracted270 participantsVery low
Intervention NR
NEXUS · children (aged 0 to < 18 years) who underwent blunt trauma evaluation in the emergency department Index test: CDRs…
Triage tools for detecting cervical spine injury in paediatric trauma patients (2024) · Cochrane
no estimate extracted2 studies · 4038 participantsLow
Intervention NR
Canadian C‐Spine Rule · children (aged 0 to < 18 years) who underwent blunt trauma evaluation in the emergency department Index test: CDRs…
Triage tools for detecting cervical spine injury in paediatric trauma patients (2024) · Cochrane
no estimate extracted1 study · 973 participantsModerate
Intervention NR
PECARN retrospective · children (aged 0 to < 18 years) who underwent blunt trauma evaluation in the emergency department Index test: CDRs…
Triage tools for detecting cervical spine injury in paediatric trauma patients (2024) · Cochrane
no estimate extracted2 studies · 5064 participantsModerate
Intervention NR
Leonard de novo · children (aged 0 to < 18 years) who underwent blunt trauma evaluation in the emergency department Index test: CDRs…
Triage tools for detecting cervical spine injury in paediatric trauma patients (2024) · Cochrane
no estimate extracted1 study · 4091 participantsLow
Intervention NR
PEDSPINE criteria · children (aged 0 to < 18 years) who underwent blunt trauma evaluation in the emergency department Index test: CDRs…
Triage tools for detecting cervical spine injury in paediatric trauma patients (2024) · Cochrane
no estimate extracted1 study · 12537 participantsVery low
Intervention NR
NICE CG56 · children (aged 0 to < 18 years) who underwent blunt trauma evaluation in the emergency department Index test: CDRs…
Triage tools for detecting cervical spine injury in paediatric trauma patients (2024) · Cochrane
no estimate extracted1 study · 270 participantsVery low
Mobile phone text messaging vs usual care
Medication adherence (self‐reported adherence, questionnaire, tablet counts, medication event monitoring systems, pharmacy prescription data) · people with established arterial occlusive events
Mobile phone text messaging for medication adherence in secondary prevention of cardiovascular disease (2024) · Cochrane
no estimate extracted18 studies · 8136 participantsVery low
Mobile phone text messaging vs usual care
Fatal cardiovascular events (percentage of people having fatal cardiovascular events) · people with established arterial occlusive events
Mobile phone text messaging for medication adherence in secondary prevention of cardiovascular disease (2024) · Cochrane
OR 0.83 [0.47, 1.45]4 studies · 1654 participantsLow
Mobile phone text messaging vs usual care
Non‐fatal cardiovascular events (percentage of people having non‐fatal cardiovascular events) · people with established arterial occlusive events
Mobile phone text messaging for medication adherence in secondary prevention of cardiovascular disease (2024) · Cochrane
no estimate extractedNRVery low
Mobile phone text messaging vs usual care
Combined CVD events (percentage of people having combined CVD events) · people with established arterial occlusive events
Mobile phone text messaging for medication adherence in secondary prevention of cardiovascular disease (2024) · Cochrane
no estimate extractedNRVery low
Mobile phone text messaging vs usual care
Low‐density lipoprotein cholesterol (mg/dL) (endpoint low‐density lipoprotein cholesterol reading) · people with established arterial occlusive events
Mobile phone text messaging for medication adherence in secondary prevention of cardiovascular disease (2024) · Cochrane
no estimate extracted8 studies · 4983 participantsVery low
Mobile phone text messaging vs usual care
Blood pressure (mmHg) (endpoint blood pressure reading) · people with established arterial occlusive events
Mobile phone text messaging for medication adherence in secondary prevention of cardiovascular disease (2024) · Cochrane
no estimate extracted8 studies · 5173 participantsVery low
Mobile phone text messaging vs usual care
Heart rate (beats per minute) (endpoint heart rate reading) · people with established arterial occlusive events
Mobile phone text messaging for medication adherence in secondary prevention of cardiovascular disease (2024) · Cochrane
no estimate extracted4 studies · 2946 participantsVery low
Low molecular weight heparin vs unfractionated heparin
Extracorporeal circuit thrombosis Median · adults with kidney failure treated with long‐term HD
Anticoagulation for people receiving long‐term haemodialysis (2024) · Cochrane
1.58 [0.46, 5.42]3 studies · 91 participantsLow
Low molecular weight heparin vs unfractionated heparin
Major bleeding Median · adults with kidney failure treated with long‐term HD
Anticoagulation for people receiving long‐term haemodialysis (2024) · Cochrane
no estimate extractedNRNo studies
Low molecular weight heparin vs unfractionated heparin
Death (any cause) Median · adults with kidney failure treated with long‐term HD
Anticoagulation for people receiving long‐term haemodialysis (2024) · Cochrane
RR 2.64 [0.51, 13.83]3 studies · 120 participantsLow
Low molecular weight heparin vs unfractionated heparin
Dialysis vascular access thrombosis Median · adults with kidney failure treated with long‐term HD
Anticoagulation for people receiving long‐term haemodialysis (2024) · Cochrane
RR 0.2 [0.01, 3.7]2 studies · 45 participantsLow
Low molecular weight heparin vs unfractionated heparin
Dialysis vascular adequacy (Kt/V) · adults with kidney failure treated with long‐term HD
Anticoagulation for people receiving long‐term haemodialysis (2024) · Cochrane
no estimate extracted1 study · 20 participantsLow
Low molecular weight heparin vs unfractionated heparin
Minor bleeding Median · adults with kidney failure treated with long‐term HD
Anticoagulation for people receiving long‐term haemodialysis (2024) · Cochrane
no estimate extractedNRNo studies
Low molecular weight heparin vs unfractionated heparin
Blood transfusion · adults with kidney failure treated with long‐term HD
Anticoagulation for people receiving long‐term haemodialysis (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Any psychosocial intervention vs no intervention
Dropouts · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
RR 0.82 [0.74, 0.91]29 studies · 4049 participantsHigh
Summary of findings table ‐ Any psychosocial intervention vs treatment
Point abstinence, longest · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
RR 1.31 [0.86, 1.99]2 studies · 124 participantsVery low
Summary of findings table ‐ Any psychosocial intervention vs treatment
Continuous abstinence, end of treatment · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
RR 1.18 [0.92, 1.53]1 study · 128 participantsLow
Summary of findings table ‐ Any psychosocial intervention vs treatment
Frequency of drug intake, end of treatment · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
no estimate extracted4 studies · 479 participantsModerate
Summary of findings table ‐ Any psychosocial intervention vs treatment
Longest period of abstinence · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
no estimate extracted1 study · 110 participantsLow
Summary of findings table ‐ Any psychosocial intervention vs treatment
Continuous abstinence, longest · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Any psychosocial intervention vs no intervention
Point abstinence, end of treatment · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
RR 1.15 [0.94, 1.41]12 studies · 1293 participantsHigh
Summary of findings table ‐ Any psychosocial intervention vs no intervention
Point abstinence, longest · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
RR 1.22 [0.91, 1.62]9 studies · 1187 participantsHigh
Summary of findings table ‐ Any psychosocial intervention vs no intervention
Continuous abstinence, end of treatment · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
RR 1.89 [1.2, 2.97]12 studies · 1770 participantsModerate
Summary of findings table ‐ Any psychosocial intervention vs no intervention
Continuous abstinence, longest · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
RR 1.14 [0.85, 1.54]3 studies · 266 participantsLow
Summary of findings table ‐ Any psychosocial intervention vs no intervention
Frequency of drug intake, end of treatment · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
no estimate extracted9 studies · 1186 participantsHigh
Summary of findings table ‐ Any psychosocial intervention vs no intervention
Longest period of abstinence · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
no estimate extracted17 studies · 2118 participantsHigh
Summary of findings table ‐ Any psychosocial intervention vs treatment
Dropouts · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
RR 0.79 [0.65, 0.97]9 studies · 735 participantsHigh
Summary of findings table ‐ Any psychosocial intervention vs treatment
Point abstinence, end of treatment · adults with stimulant use disorder
Psychosocial interventions for stimulant use disorder (2024) · Cochrane
RR 1.67 [0.64, 4.31]1 study · 128 participantsLow
Transvaginal permanent mesh vs native tissue repair
Awareness of prolapse (0.5 to 7 years) · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 0.83 [0.73, 0.95]17 studies · 2932 participantsModerate
Transvaginal biological graft vs native tissue repair
Surgery for recurrent prolapse (1 to 2 years) · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 1.15 [0.75, 1.77]6 studies · 899 participantsModerate
Transvaginal biological graft vs native tissue repair
Recurrent prolapse on examination · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 0.96 [0.71, 1.29]9 studies · 1278 participantsLow
Transvaginal biological graft vs native tissue repair
Visceral injury · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 0.34 [0.04, 3.26]2 studies · 254 participantsLow
Transvaginal biological graft vs native tissue repair
Bladder function · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 12.64 [1.6, 100.06]2 studies · 143 participantsVery low
Transvaginal biological graft vs native tissue repair
Painful intercourse ‐ de novo dyspareunia · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 1.3 [0.46, 3.66]2 studies · 125 participantsModerate
Transvaginal biological graft vs native tissue repair
Quality of life · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
no estimate extracted3 studies · 112 participantsVery low
Transvaginal permanent mesh vs native tissue repair
Repeat surgery (0.5 to 7 years) · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 1.56 [1.07, 2.26]27 studies · 3916 participantsLow
Transvaginal permanent mesh vs native tissue repair
Recurrent prolapse on examination (any compartment) · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 0.42 [0.32, 0.55]25 studies · 3680 participantsVery low
Transvaginal permanent mesh vs native tissue repair
Visceral injury · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 3.67 [1.63, 8.28]14 studies · 1997 participantsLow
Transvaginal permanent mesh vs native tissue repair
Mesh exposure · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 11.1 [6.81, 18.1]26 studies · 2980 participantsModerate
Transvaginal permanent mesh vs native tissue repair
Bladder function · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 1.5 [1.19, 1.88]17 studies · 2001 participantsModerate
Transvaginal permanent mesh vs native tissue repair
Painful intercourse ‐ de novo dyspareunia · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 1.22 [0.83, 1.79]16 studies · 1308 participantsModerate
Transvaginal permanent mesh vs native tissue repair
Quality of life · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
no estimate extracted9 studies · 1365 participantsVery low
Transvaginal biological graft vs native tissue repair
Awareness of prolapse (1 to 3 years) · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 1.06 [0.73, 1.56]8 studies · 1374 participantsModerate