Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,231 questions · 3,354 findings · 394 reviews

No studies found 803 · 23.9%GRADE not reported 267 · 8%Very low 757 · 22.6%Low 859 · 25.6%Moderate 486 · 14.5%High 182 · 5.4%

Daily application of sunscreen vs discretionary use

Cutaneous squamous cell carcinoma Confirmed clinically or by histopathology · general participants

Daily application of sunscreen showed no clear difference in cutaneous squamous cell carcinoma Confirmed clinically or by… compared with discretionary use (low certainty).

1 finding from 1 review

Comparison of plasma transfusions vs no plasma transfusions when the INR is 1.5 prior to central venous catheter insertion

Number of participants with minor procedure‐related bleeding within 7 days of surgery · people with abnormal coagulation requiring a central venous catheter

It is very uncertain whether comparison of plasma transfusions changes minor procedure‐related bleeding compared with no plasma transfusions when the INR is 1.5 prior to central venous… (very low certainty).

1 finding from 1 review

Quinine vs placebo

Minor adverse events · patients with muscle cramps
1 finding from 1 review

Lidocaine vs disopyramide

Adverse events (AEs; adverse drug reaction): sinoatrial block · patients with myocardial infarction

It is very uncertain whether lidocaine changes adverse events (AEs; adverse drug reaction): sinoatrial block compared with disopyramide (very low certainty).

1 finding from 1 review

Fish oil lipid emulsion (LE) vs S‐LE

Severe (defined as stage 3 or greater) retinopathy of prematurity ‐ not reported · Parenterally fed preterm infants

All fish oil containing LE showed no clear difference in retinopathy of prematurity (≥ stage 3) compared with S‐LE (low certainty).

1 finding from 1 review

Alternative lipid emulsion (LE) vs S‐LE

Severe (defined as stage 3 or greater) retinopathy of prematurity ‐ not reported · Parenterally fed preterm infants

It is very uncertain whether all alternative LE changes retinopathy of prematurity (≥ stage 3) compared with S‐LE (very low certainty).

1 finding from 1 review

Herbal medicines vs antibiotics alone

Remission · participants with acne

Herbal medicine showed no clear difference in secondary outcome: number of participants with remission (ITT‐best… compared with antibiotics (low certainty).

2 findings from 1 review

Uterine artery embolization (UAE) vs surgery

Adverse events: minor post‐procedural complications within one year · patients with symptomatic uterine fibroids

Uterine artery embolization (UAE) probably leads to higher adverse events: minor post‐procedural complications within one year compared with surgery (moderate certainty).

1 finding from 1 review

Interventions to reduce blood loss during myomectomy for fibroids vs placebo or no treatment

Fibrin sealant patch (collagen sponge with thrombin and fibrinogen) · women with uterine fibroids

Interventions to reduce blood loss during myomectomy for fibroids showed no clear difference in fibrin sealant patch (collagen sponge with thrombin and fibrinogen) compared with placebo or no treatment (low certainty).

1 finding from 1 review