Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,191 questions · 2,354 findings · 362 reviews

No studies found 323 · 13.7%GRADE not reported 382 · 16.2%Very low 555 · 23.6%Low 597 · 25.4%Moderate 345 · 14.7%High 152 · 6.5%

Blood pressure‐lowering drugs (BPLDs) vs placebo or no treatment

Recurrent stroke of any type · stroke and/or TIA

Blood pressure‐lowering drugs (BPLDs) probably leads to lower recurrent stroke of any type compared with placebo or no treatment (moderate certainty).

2 findings from 1 review

Blood pressure‐lowering drugs (BPLDs) vs placebo or no treatment

Stroke, myocardial infarction, or vascular death · stroke and/or TIA

Blood pressure‐lowering drugs (BPLDs) showed no clear difference in major vascular event (composite of non‐fatal stroke, non‐fatal… compared with placebo or no treatment (high certainty).

1 finding from 1 review

Lower genital tract infection screening vs No screening

Preterm low birthweight (below or equal 2500 g) · pregnant women presenting for routine prenatal care

Lower genital tract infection screening probably leads to lower preterm low birthweight (below or equal 2500 g) compared with no screening (moderate certainty).

1 finding from 1 review

Lower genital tract infection screening vs No screening

Preterm very low birthweight (below or equal 1500 g) · pregnant women presenting for routine prenatal care

Lower genital tract infection screening probably leads to lower preterm very low birthweight (below or equal 1500 g) compared with no screening (moderate certainty).

1 finding from 1 review

Transfer from incubator to cot at lower vs higher body weight

Proportion of infants having at least one episode of low temperature requiring overhead heater use · patients with preterm infants

Transfer from incubator to cot at lower showed no clear difference in proportion of infants having at least one episode of low temperature… compared with higher body weight (high certainty).

1 finding from 1 review

Transfer from incubator to cot at lower vs higher body weight

Proportion of infants having at least one episode of returning to incubator · patients with preterm infants

Transfer from incubator to cot at lower showed no clear difference in proportion of infants having at least one episode of returning to… compared with higher body weight (moderate certainty).

1 finding from 1 review

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