Findings

What do systematic reviews say?

4,918 questions · 5,537 findings · 1,803 reviews

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No studies found 1,309 · 23.6%GRADE not reported 440 · 7.9%Very low 1,560 · 28.2%Low 1,292 · 23.3%Moderate 751 · 13.6%High 185 · 3.3%

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Vitamin C vs placebo

Adverse events · healthy male physicians, period: 1997 to 2007 and female health professionals, period: 1998 to 2005

1 finding from 1 review

Drugs for preventing lung cancer in healthy people 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 1 participants
High

Vitamins A, C, E + selenium + zinc vs placebo

Adverse events · healthy women, aged 35 to 60, and men, aged 45 to 60, living in France

The review found no eligible studies for this question.

1 finding from 1 review

Drugs for preventing lung cancer in healthy people 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Phlebotonics vs placebo?

Adverse events · patients with venous insufficiency

Do phlebotonics improve signs and symptoms of venous insufficiency… probably leads to higher adverse events compared with placebo? (moderate certainty).

1 finding from 1 review

Phlebotonics for venous insufficiency 2020 · Cochrane Headline outcomes only
RR 1.14 [1.02, 1.27]
37 studies · 5789 participants
Moderate

IVIg vs placebo

Adverse events · adults with renal vasculitis

Intravenous immunoglobulin may leads to higher adverse events compared with placebo (low certainty).

1 finding from 1 review

Interventions for renal vasculitis in adults 2020 · Cochrane Headline outcomes only
RR 3
1 study · 34 participants
Low

Abundant water intake vs standard water intake

Adverse events · participants with a prior history of nephrolithiasis

1 finding from 1 review

Water for preventing urinary stones 2020 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Intervention not reported

Adverse events · individuals without known diabetes mellitus but at high risk for the condition

The review found no eligible studies for this question.

1 finding from 1 review

Screening for type 2 diabetes mellitus 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Hypnosis vs WAIT LIST

Adverse events · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

The review found no eligible studies for this question.

1 finding from 1 review

Psychosocial interventions for conversion and dissociative disorders in adults 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Behavioural therapy plus treatment as usual vs treatment

Adverse events · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

The review found no eligible studies for this question.

1 finding from 1 review

Psychosocial interventions for conversion and dissociative disorders in adults 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Cognitive behavioural therapy as vs standard‐of‐care therapy

Adverse events · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

The review found no eligible studies for this question.

1 finding from 1 review

Psychosocial interventions for conversion and dissociative disorders in adults 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Psychoeducational follow‐up programme vs treatment

Adverse events · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

The review found no eligible studies for this question.

1 finding from 1 review

Psychosocial interventions for conversion and dissociative disorders in adults 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Specialised cognitive behavioural therapy‐based physiotherapy vs WAIT LIST

Adverse events · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

The review found no eligible studies for this question.

1 finding from 1 review

Psychosocial interventions for conversion and dissociative disorders in adults 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Specialised cognitive behavioural therapy‐based physiotherapy vs treatment

Adverse events · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

The review found no eligible studies for this question.

1 finding from 1 review

Psychosocial interventions for conversion and dissociative disorders in adults 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Brief psychotherapeutic intervention vs usual care

Adverse events · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

The review found no eligible studies for this question.

1 finding from 1 review

Psychosocial interventions for conversion and dissociative disorders in adults 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Paradoxical intention therapy vs diazepam

Adverse events · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

The review found no eligible studies for this question.

1 finding from 1 review

Psychosocial interventions for conversion and dissociative disorders in adults 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Cognitive behavioural therapy plus adjunctive physical activity vs cognitive behavioural therapy

Adverse events · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

The review found no eligible studies for this question.

1 finding from 1 review

Psychosocial interventions for conversion and dissociative disorders in adults 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Hypnosis vs diazepam

Adverse events · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

The review found no eligible studies for this question.

1 finding from 1 review

Psychosocial interventions for conversion and dissociative disorders in adults 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Psychotherapy preceded by motivational interviewing vs psychotherapy alone

Adverse events · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

The review found no eligible studies for this question.

1 finding from 1 review

Psychosocial interventions for conversion and dissociative disorders in adults 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Hypnosis plus treatment as usual vs treatment

Adverse events · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

The review found no eligible studies for this question.

1 finding from 1 review

Psychosocial interventions for conversion and dissociative disorders in adults 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

H. pylori eradication therapy vs control

Adverse events · healthy asymptomatic H. pylori‐infected individuals

1 finding from 1 review

Helicobacter pylori eradication for the prevention of gastric neoplasia 2020 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Environmental interventions vs no intervention

Adverse events · children (aged 0–6 years)

The review found no eligible studies for this question.

2 findings from 1 review

Household interventions for secondary prevention of domestic lead exposure in children 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found
Household interventions for secondary prevention of domestic lead exposure in children 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 355 participants
Very low