Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,822 questions · 1,891 findings · 321 reviews · Headline outcomes only

No studies found 279 · 14.8%GRADE not reported 46 · 2.4%Very low 524 · 27.7%Low 571 · 30.2%Moderate 330 · 17.5%High 141 · 7.5%

Transfer from incubator to cot at lower vs higher body weight

Breastfeeding (exclusive at discharge) · patients with preterm infants

Transfer from incubator to cot at lower showed no clear difference in proportion of infants exclusive breastfeeding at discharge compared with higher body weight (high certainty).

1 finding from 1 review

Phacoemulsification vs laser peripheral iridotomy

Proportion of participants requiring further IOP‐lowering interventions (additional surgery, medications, or both) (lower number of events is better) · Participants with acute primary angle closure after initial medical treatment to lower intraocular pressure

It is very uncertain whether phacoemulsification changes proportion of participants requiring further IOP‐lowering… compared with laser peripheral iridotomy (very low certainty).

1 finding from 1 review

Phacoemulsification vs laser peripheral iridotomy

Proportion of participants with 1 or more recurrent APAC episodes in the same eye (lower number of events is better) · Participants with acute primary angle closure after initial medical treatment to lower intraocular pressure

It is very uncertain whether phacoemulsification changes proportion of participants with 1 or more recurrent APAC episodes in… compared with laser peripheral iridotomy (very low certainty).

1 finding from 1 review

Homocysteine‐lowering interventions (Folic Acid, Vitamin B6 and Vitamin B12) vs placebo or usual care

Myocardial infarction · people with or without existing cardiovascular disease, men and women

Homocysteine‐lowering interventions (Vitamin B6 (pyridoxine;… showed no clear difference in myocardial infarction compared with placebo or standard care (high certainty).

1 finding from 1 review

Homocysteine‐lowering interventions (Folic Acid, Vitamin B6 and Vitamin B12) vs placebo or usual care

Stroke · people with or without existing cardiovascular disease, men and women

Homocysteine‐lowering interventions (Vitamin B6 (pyridoxine;… leads to lower stroke compared with placebo or standard care (high certainty).

1 finding from 1 review

Homocysteine‐lowering interventions (Folic Acid, Vitamin B6 and Vitamin B12) vs placebo or usual care

Death by any cause · people with or without existing cardiovascular disease, men and women

Homocysteine‐lowering interventions (Vitamin B6 (pyridoxine;… showed no clear difference in death by any cause compared with placebo or standard care (high certainty).

1 finding from 1 review

Homocysteine‐lowering interventions (Folic Acid, Vitamin B6 and Vitamin B12) vs placebo or usual care

Adverse events · people with or without existing cardiovascular disease, men and women

Homocysteine‐lowering interventions (Vitamin B6 (pyridoxine;… showed no clear difference in adverse events compared with placebo or standard care (high certainty).

1 finding from 1 review