Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,006 questions · 3,171 findings · 607 reviews · Headline outcomes only

No studies found 411 · 13%GRADE not reported 153 · 4.8%Very low 968 · 30.5%Low 897 · 28.3%Moderate 589 · 18.6%High 153 · 4.8%

High‐frequency chest wall oscillation plus fibrobronchoscope alveolar lavage vs fibrobronchoscope alveolar lavage alone

All‐cause mortality · people with severe pneumonia and receiving mechanical ventilation

It is very uncertain whether high‐frequency chest wall oscillation plus fibrobronchoscope… changes mortality compared with fibrobronchoscope alveolar lavage alone (very low certainty).

1 finding from 1 review

Human menopausal gonadotrophin or highly purified human menopausal gonadotrophin vs urinary follicle stimulating hormone

OHSS · ovulation induction in polycystic ovarian syndrome

It is very uncertain whether human menopausal gonadotrophin or highly purified human menopausal… changes incidence of OHSS per woman compared with urinary follicle stimulating hormone (very low certainty).

1 finding from 1 review

Human menopausal gonadotrophin or highly purified human menopausal gonadotrophin vs urinary follicle stimulating hormone

Live birth rate per woman · ovulation induction in polycystic ovarian syndrome

It is very uncertain whether human menopausal gonadotrophin or highly purified human menopausal… changes live birth rate per woman compared with urinary follicle stimulating hormone (very low certainty).

1 finding from 1 review

Human menopausal gonadotrophin or highly purified human menopausal gonadotrophin vs urinary follicle stimulating hormone

Multiple pregnancy rate · ovulation induction in polycystic ovarian syndrome

It is very uncertain whether human menopausal gonadotrophin or highly purified human menopausal… changes incidence of multiple pregnancy (per woman) compared with urinary follicle stimulating hormone (very low certainty).

1 finding from 1 review

Human menopausal gonadotrophin or highly purified human menopausal gonadotrophin vs urinary follicle stimulating hormone

Clinical pregnancy rate · ovulation induction in polycystic ovarian syndrome

It is very uncertain whether human menopausal gonadotrophin or highly purified human menopausal… changes clinical pregnancy rate per woman compared with urinary follicle stimulating hormone (very low certainty).

1 finding from 1 review

Human menopausal gonadotrophin or highly purified human menopausal gonadotrophin vs urinary follicle stimulating hormone

Miscarriage · ovulation induction in polycystic ovarian syndrome

It is very uncertain whether human menopausal gonadotrophin or highly purified human menopausal… changes miscarriage rate per woman compared with urinary follicle stimulating hormone (very low certainty).

1 finding from 1 review