Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,788 questions · 1,849 findings · 336 reviews

No studies found 245 · 13.3%GRADE not reported 126 · 6.8%Very low 612 · 33.1%Low 512 · 27.7%Moderate 305 · 16.5%High 49 · 2.7%

Metformin vs placebo or no treatment

Clinical pregnancy rate · women with polycystic ovary syndrome

It is very uncertain whether metformin changes clinical pregnancy rate per woman ‐ short protocol GnRH‐antagonist compared with placebo or no treatment (very low certainty).

1 finding from 1 review · compare the 2 reviews

Impulsive lifestyle counselling + treatment‐as‐usual vs usual care

Aggression: trait Assessed by: Buss‐Perry Aggression Questionnaire ‐ Short Form (12 items rated on 5‐point Likert scale ranging from extremely uncharacteristic (1) to extremely characteristic (5); range = 12‐60; high score = poor outcome) Timing o... · adults with antisocial personality disorder
1 finding from 1 review

Intervention not reported

Fear of falling scores at 6 months Assessed by Short Falls Efficacy Scale‐International · older adults (aged 60 and over) with irreversible visual impairment

The intervention showed no clear difference in fear of falling scores at 6 months Assessed by Short Falls Efficacy… (low certainty).

1 finding from 1 review

Intervention not reported

Quality of life at 6 months Assessed by 12‐Item Short Form Health Survey · older adults (aged 60 and over) with irreversible visual impairment

The intervention showed no clear difference in quality of life at 6 months Assessed by 12‐Item Short Form Health… (low certainty).

1 finding from 1 review

Intervention not reported

Fear of falling scores at 6 months Assessed by Short Falls Efficacy Scale‐International · older adults (aged 60 and over) with irreversible visual impairment

The intervention showed no clear difference in fear of falling scores at 6 months Assessed by Short Falls Efficacy… (low certainty).

1 finding from 1 review

Levosimendan vs dobutamine

All‐cause short‐term mortality: range 15 to 31 days · people with cardiogenic shock or low cardiac output syndrome

Levosimendan showed no clear difference in all‐cause short‐term mortality: range 15 to 31 days compared with dobutamine (low certainty).

1 finding from 1 review