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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)

15,213 questions in 2,394 reviews

current versions
No studies 15,213 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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
Laser photocoagulation vs control
Loss of driving licence · people with diabetic retinopathy
Laser photocoagulation for proliferative diabetic retinopathy (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy and exercise vs glucocorticoid injection
Participant‐reported pain relief ≥ 30% · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and placebo injection vs glucocorticoid injection
Global assessment of treatment success · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and placebo injection vs glucocorticoid injection
Active shoulder abduction · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and placebo injection vs glucocorticoid injection
Adverse events · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and placebo injection vs placebo injection
Participant‐reported pain relief ≥ 30% · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and placebo injection vs placebo injection
Global assessment of treatment success · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and placebo injection vs placebo injection
Active shoulder abduction · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and placebo injection vs placebo injection
Adverse events · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and glucocorticoid injection vs glucocorticoid injection
Participant‐reported pain relief ≥ 30% · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and glucocorticoid injection vs glucocorticoid injection
Global assessment of treatment success · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and glucocorticoid injection vs glucocorticoid injection
Active shoulder abduction · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and glucocorticoid injection vs glucocorticoid injection
Adverse events · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy and exercise following joint distension vs sham ultrasound following joint distension
Participant‐reported pain relief ≥ 30% · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and oral NSAID vs oral NSAID
Participant‐reported pain relief ≥ 30% · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and oral NSAID vs oral NSAID
Overall pain · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and oral NSAID vs oral NSAID
Active shoulder abduction · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and oral NSAID vs oral NSAID
Quality of life · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy and exercise vs glucocorticoid injection
Active shoulder abduction · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy and exercise vs glucocorticoid injection
Quality of life · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Combination of manual therapy, exercise, electrotherapy and placebo injection vs glucocorticoid injection
Participant‐reported pain relief ≥ 30% · patients with adhesive capsulitis (frozen shoulder)
Manual therapy and exercise for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Low‐level laser therapy (LLLT) vs placebo
Participant‐reported pain relief ≥ 30% · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Pulsed electromagnetic field therapy (PEMF) vs placebo
Global assessment of treatment success · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Pulsed electromagnetic field therapy (PEMF) vs placebo
Active shoulder abduction · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Pulsed electromagnetic field therapy (PEMF) vs placebo
Quality of life · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Pulsed electromagnetic field therapy (PEMF) vs placebo
Adverse events · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Low‐level laser therapy (LLLT) plus exercise vs exercise
Participant‐reported pain relief ≥ 30% · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Low‐level laser therapy (LLLT) plus exercise vs exercise
Global assessment of treatment success · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Low‐level laser therapy (LLLT) vs placebo
Overall pain · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Low‐level laser therapy (LLLT) plus exercise vs exercise
Quality of life · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Low‐level laser therapy (LLLT) vs placebo
Function · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Low‐level laser therapy (LLLT) vs placebo
Active shoulder abduction · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Low‐level laser therapy (LLLT) vs placebo
Quality of life · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Pulsed electromagnetic field therapy (PEMF) vs placebo
Overall pain · patients with adhesive capsulitis (frozen shoulder)
Electrotherapy modalities for adhesive capsulitis (frozen shoulder) (2014) · Cochrane
no estimate extractedNRNo studies
Topical local anaesthetic (spray or dental swab) vs Placebo or no treatment
Parental satisfaction · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
No study reported parental satisfaction0 studiesNo studies
Intraligamental injection local anaesthetic vs No treatment
Physiological parameters (cardiac/respiratory events; type and volume of GA drug) · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
None of the studies reported on this outcome0 studiesNo studies
Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW output, continuous 820 nm) vs Placebo (sham) laser therapy
Quality of life · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual…
Interventions for iatrogenic inferior alveolar and lingual nerve injury (2014) · Cochrane
Results: 'No studies reported on quality of life ...'. Not reported by the included laser trials.0 studiesNo studies
Frankel's function regulator-4 (FR-4) with lip-seal training vs No treatment
Reduction of snoring · Children and adolescents (over 80% aged 16 years or younger at treatment start) with anterior open bite (lack of…
Orthodontic and orthopaedic treatment for anterior open bite in children (2014) · Cochrane
Outcome proposed in the review but not found in any included study. The review states: 'The other outcomes proposed in this review were not found: stability of anterior open bite correction; reduction of snoring; signs…0 studiesNo studies
Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW output, continuous 820 nm) vs Placebo (sham) laser therapy
Adverse events · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual…
Interventions for iatrogenic inferior alveolar and lingual nerve injury (2014) · Cochrane
SoF row 'Adverse events': This outcome was not reported in the included studies.0 studiesNo studies
Dual mini-screw implant vs Single mini-screw implant
Patient acceptability · Patients undergoing orthodontic treatment requiring surgical (mini-screw implant) anchorage
Reinforcement of anchorage during orthodontic brace treatment with implants or other surgical methods (2014) · Cochrane
Acceptability was not reported in any of the studies comparing two types of surgical anchorage0 studiesNo studies
Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW output, continuous 820 nm) vs Placebo (sham) laser therapy
Pain · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual…
Interventions for iatrogenic inferior alveolar and lingual nerve injury (2014) · Cochrane
SoF row 'Pain': This outcome was not reported in the included studies.0 studiesNo studies
Topical local anaesthetic (spray or dental swab) vs Placebo or no treatment
Participant satisfaction · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
None of the studies reported on patient or child satisfaction0 studiesNo studies
Repair of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite) vs Replacement of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite)
Perioperative or postoperative pain or discomfort · Adults (16 years or over) with one or more defective resin composite restoration(s) in a molar or premolar tooth/teeth · Medium term (less than 5 years) or long term (5 years and above)
Replacement versus repair of defective restorations in adults: resin composite (2014) · Cochrane
No randomised controlled trials were found0 studiesNo studies
Repair of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite) vs Replacement of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite)
Extraction of tooth (due to decay) · Adults (16 years or over) with one or more defective resin composite restoration(s) in a molar or premolar tooth/teeth · Medium term (less than 5 years) or long term (5 years and above)
Replacement versus repair of defective restorations in adults: resin composite (2014) · Cochrane
No randomised controlled trials were found0 studiesNo studies
Repair of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam) vs Replacement of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam)
Presence of clinical symptoms (pain, swelling, diagnosis of pulpitis, abscess formation) · Adults (16 years or over) with one or more defective amalgam restoration(s) in a molar or premolar tooth/teeth · Medium term (less than 5 years) or long term (5 years and above)
Replacement versus repair of defective restorations in adults: amalgam (2014) · Cochrane
No randomised controlled trials were found0 studiesNo studies
Medical interventions (systemic: analgesics, antidepressants, antiepileptics, steroids; topical: analgesics, anaesthetics) vs Another intervention, or no intervention
Outcome NR · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual…
Interventions for iatrogenic inferior alveolar and lingual nerve injury (2014) · Cochrane
Results: 'No studies evaluated medical ... interventions.' No eligible RCT of medical interventions (analgesics, antidepressants, antiepileptics, steroids, topical anaesthetics).0 studiesNo studies
Infiltration injection local anaesthetic vs No treatment or placebo
Postoperative anxiety · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
None of the studies reported on postoperative anxiety0 studiesNo studies
Intraligamental injection local anaesthetic vs No treatment
Parental satisfaction · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
No study reported parental satisfaction0 studiesNo studies
Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW output, continuous 820 nm) vs Placebo (sham) laser therapy
Taste · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual…
Interventions for iatrogenic inferior alveolar and lingual nerve injury (2014) · Cochrane
SoF row 'Taste': This outcome was not reported in the included studies.0 studiesNo studies
Repair of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam) vs Replacement of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam)
Further restoration required (repair, restoration, placement of crown/inlay, root filling) · Adults (16 years or over) with one or more defective amalgam restoration(s) in a molar or premolar tooth/teeth · Medium term (less than 5 years) or long term (5 years and above)
Replacement versus repair of defective restorations in adults: amalgam (2014) · Cochrane
No randomised controlled trials were found0 studiesNo studies