Gap finder
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.
15,213 questions in 2,394 reviews
current versionsNo 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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Surgical 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 extracted | NR | No studies |
Pharmacomechanical thrombolysis (Cragg® catheter) vs pulse spray technique Failure · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Pharmacomechanical thrombolysis (Cragg® catheter) vs pulse spray technique Access dysfunction · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Pharmacomechanical thrombolysis (Cragg® catheter) vs pulse spray technique Successful dialysis · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Pharmacomechanical thrombolysis (Cragg® catheter) vs pulse spray technique Death · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs different types of endovascular interventions Access dysfunction · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs different types of endovascular interventions Successful dialysis · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs different types of endovascular interventions Death · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs pulse spray technique Minor adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs pulse spray technique Death · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings for the main comparison: comprehensive care programmes vs usual care Costs to the family · children with medical complexity Comprehensive care programmes for children with medical complexity (2024) · Cochrane | no estimate extracted | NR | No studies |
Facilitated tucking / four‐handed care / gentle human touch vs standard care Validated pain scales · neonates with mechanical ventilation Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane | no estimate extracted | NR | No studies |
Familiar odour (breast milk smell) vs standard care Validated pain scores · neonates with mechanical ventilation Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane | no estimate extracted | NR | No studies |
Familiar odour (breast milk smell) vs standard care Physiological indicators · neonates with mechanical ventilation Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane | no estimate extracted | NR | No studies |
Familiar odour (breast milk smell) vs standard care Behavioural indicators · neonates with mechanical ventilation Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane | no estimate extracted | NR | No studies |
Familiar odour (breast milk smell) vs standard care — · neonates with mechanical ventilation Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane | no estimate extracted | NR | No studies |
White noise vs standard care Validated pain scores · neonates with mechanical ventilation Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane | no estimate extracted | NR | No studies |
White noise vs standard care Physiological indicators · neonates with mechanical ventilation Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane | no estimate extracted | NR | No studies |
White noise vs standard care Behavioural indicators · neonates with mechanical ventilation Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane | no estimate extracted | NR | No studies |
White noise vs standard care — · neonates with mechanical ventilation Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane | no estimate extracted | NR | No studies |
Facilitated tucking / four‐handed care / gentle human touch vs standard care Physiological indicators · neonates with mechanical ventilation Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane | no estimate extracted | NR | No studies |
Facilitated tucking / four‐handed care / gentle human touch vs standard care Behavioural indicators · neonates with mechanical ventilation Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane | no estimate extracted | NR | No studies |
Facilitated tucking / four‐handed care / gentle human touch vs standard care — · neonates with mechanical ventilation Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane | no estimate extracted | NR | No studies |
Mindfulness‐based interventions (MBIs) vs active comparators Clinical CVD events · people at high risk of or withcardiovascular disease Meditation for the primary and secondary prevention of cardiovascular disease (2024) · Cochrane | no estimate extracted | NR | No studies |
Transcendental meditation (TM) vs active comparators Well‐being · people at high risk of or with cardiovascular disease Meditation for the primary and secondary prevention of cardiovascular disease (2024) · Cochrane | no estimate extracted | NR | No studies |
Transcendental meditation (TM) vs active comparators Adverse events · people at high risk of or with cardiovascular disease Meditation for the primary and secondary prevention of cardiovascular disease (2024) · Cochrane | no estimate extracted | NR | No studies |
Transcendental meditation (TM) vs active comparators Smoking cessation · people at high risk of or with cardiovascular disease Meditation for the primary and secondary prevention of cardiovascular disease (2024) · Cochrane | no estimate extracted | NR | No studies |
Transcendental meditation (TM) vs non‐active comparators Clinical CVD events · people at high risk of or withcardiovascular disease Meditation for the primary and secondary prevention of cardiovascular disease (2024) · Cochrane | no estimate extracted | NR | No studies |
Transcendental meditation (TM) vs non‐active comparators Perceived stress · people at high risk of or withcardiovascular disease Meditation for the primary and secondary prevention of cardiovascular disease (2024) · Cochrane | no estimate extracted | NR | No studies |
Transcendental meditation (TM) vs non‐active comparators Well‐being · people at high risk of or withcardiovascular disease Meditation for the primary and secondary prevention of cardiovascular disease (2024) · Cochrane | no estimate extracted | NR | No studies |
Transcendental meditation (TM) vs non‐active comparators Adverse events · people at high risk of or withcardiovascular disease Meditation for the primary and secondary prevention of cardiovascular disease (2024) · Cochrane | no estimate extracted | NR | No studies |
Transcendental meditation (TM) vs non‐active comparators Smoking cessation · people at high risk of or withcardiovascular disease Meditation for the primary and secondary prevention of cardiovascular disease (2024) · Cochrane | no estimate extracted | NR | No studies |
Mindfulness‐based interventions (MBIs) vs active comparators Adverse events · people at high risk of or withcardiovascular disease Meditation for the primary and secondary prevention of cardiovascular disease (2024) · Cochrane | no estimate extracted | NR | No studies |
TG4010 added to chemotherapy vs chemotherapy alone Survival rates at 5 years · adults with advanced non‐small cell lung cancer (NSCLC) Therapeutic vaccines for advanced non‐small cell lung cancer (2024) · Cochrane | no estimate extracted | NR | No studies |
TG4010 added to chemotherapy vs chemotherapy alone Health‐related quality of life · adults with advanced non‐small cell lung cancer (NSCLC) Therapeutic vaccines for advanced non‐small cell lung cancer (2024) · Cochrane | no estimate extracted | NR | No studies |
Epidermal growth factor vs best supportive care Progression‐free survival · adults with advanced non‐small cell lung cancer (NSCLC) Therapeutic vaccines for advanced non‐small cell lung cancer (2024) · Cochrane | no estimate extracted | NR | No studies |
Metformin vs active control Kidney failure · preventing the progression of CKD Metformin for preventing the progression of chronic kidney disease (2024) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Death from bleeding complications (up to 30 days · vascular surgery patients who undergo creation of an anastomosis The role of sealants for achieving anastomotic hemostasis in vascular surgery (2024) · Cochrane | no estimate extracted | NR | No studies |
Ondansetron vs diphenhydramine (antihistamine) Adverse events · people with postburn pruritus Interventions for postburn pruritus (2024) · Cochrane | no estimate extracted | NR | No studies |
Ondansetron vs diphenhydramine (antihistamine) Pain · people with postburn pruritus Interventions for postburn pruritus (2024) · Cochrane | no estimate extracted | NR | No studies |
Enalapril ointment vs placebo Adverse events · people with postburn pruritus Interventions for postburn pruritus (2024) · Cochrane | no estimate extracted | NR | No studies |
Enalapril ointment vs placebo Pain · people with postburn pruritus Interventions for postburn pruritus (2024) · Cochrane | no estimate extracted | NR | No studies |
Massage therapy vs standard care Adverse events · people with postburn pruritus Interventions for postburn pruritus (2024) · Cochrane | no estimate extracted | NR | No studies |
Extracorporeal shock wave therapy vs sham Adverse events · people with postburn pruritus Interventions for postburn pruritus (2024) · Cochrane | no estimate extracted | NR | No studies |
Pulsed high‐intensity laser vs placebo laser Adverse events · people with postburn pruritus Interventions for postburn pruritus (2024) · Cochrane | no estimate extracted | NR | No studies |
Doxepin cream vs oral antihistamine Pain · people with postburn pruritus Interventions for postburn pruritus (2024) · Cochrane | no estimate extracted | NR | No studies |
Gabapentin vs cetirizine (antihistamine) Pain · people with postburn pruritus Interventions for postburn pruritus (2024) · Cochrane | no estimate extracted | NR | No studies |
Pregabalin vs cetirizine with pheniramine maleate (antihistamine) Pain · people with postburn pruritus Interventions for postburn pruritus (2024) · Cochrane | no estimate extracted | NR | No studies |
Anti‐CD52 mAb maintenance therapy vs observation Overall survival – not reported · people with chronic lymphocytic leukaemia Maintenance therapy for chronic lymphocytic leukaemia (2024) · Cochrane | no estimate extracted | NR | No studies |
Anti‐CD52 mAb maintenance therapy vs observation Health‐related quality of life – not reported · people with chronic lymphocytic leukaemia Maintenance therapy for chronic lymphocytic leukaemia (2024) · Cochrane | no estimate extracted | NR | No studies |