What do systematic reviews say?

Intervention not reported

The review found no eligible studies for this question.

• Insulin secretagogues for prevention or delay of type 2 diabetes mellitus and its associated complications in persons… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Insulin secretagogues for prevention or delay of type 2 diabetes mellitus and its associated complications in persons… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Antibiotic prophylaxis for preventing infectious complications in orthognathic surgery 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Antibiotic prophylaxis for preventing infectious complications in orthognathic surgery 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)

The review found no eligible studies for this question.

• Comparison of different platelet count thresholds to guide administration of prophylactic platelet transfusion for… 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Prophylactic platelet transfusions with low‐dose schedule vs high‐dose schedule

The review found no eligible studies for this question.

• Different doses of prophylactic platelet transfusion for preventing bleeding in people with haematological disorders… 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Prophylactic platelet transfusions with high‐dose schedule vs standard‐dose strategies

The review found no eligible studies for this question.

• Different doses of prophylactic platelet transfusion for preventing bleeding in people with haematological disorders… 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Prophylactic platelet transfusions with low‐dose schedule vs prophylactic platelet transfusions with standard‐dose schedule

The review found no eligible studies for this question.

• Different doses of prophylactic platelet transfusion for preventing bleeding in people with haematological disorders… 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Vitamin D vs placebo or no intervention

The review found no eligible studies for this question.

• Vitamin D supplementation for prevention of cancer in adults 2014 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Adenosine‐diphosphate (ADP) receptor antagonists for the prevention of cardiovascular disease in type 2 diabetes… 2012 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intranasal steroid drops vs placebo

The review found no eligible studies for this question.

• Interventions for the prevention of persistent post‐COVID‐19 olfactory dysfunction 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intranasal steroid spray vs placebo or no intervention

The review found no eligible studies for this question.

• Interventions for the prevention of persistent post‐COVID‐19 olfactory dysfunction 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Psychological therapies vs no intervention

• Psychological therapies for the treatment of depression in chronic obstructive pulmonary disease 2019 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 348 participants
  Very low

Intervention not reported

The review found no eligible studies for this question.

• Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and improve… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

• Vitamin D supplementation for prevention of mortality in adults 2014 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 105 participants
  GRADE not reported

Intervention not reported

• Haemophilus influenzae oral vaccination for preventing acute exacerbations of chronic bronchitis and chronic… 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Very low

Prosthetic mesh placement vs usual care

• Prosthetic mesh placement for the prevention of parastomal herniation 2018 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 263 participants
  GRADE not reported

EHealth interventions vs any comparator

• E‐Health interventions for anxiety and depression in children and adolescents with long‐term physical conditions 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 34 participants
  Very low

Fluoxetine vs light therapy

• Second‐generation antidepressants for treatment of seasonal affective disorder 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 96 participants
  Low