Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,696 questions · 3,815 findings · 855 reviews

No studies found 573 · 15%GRADE not reported 374 · 9.8%Very low 993 · 26%Low 1,062 · 27.8%Moderate 614 · 16.1%High 199 · 5.2%

Intervention not reported

Viral clearance at 14 days · unvaccinated, non‐hospitalized people with mild symptomatic COVID‐19 (WHO scale 2 to 3) at high risk for progression to severe disease

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

All‐cause mortality at day 28 · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

It is very uncertain whether the intervention changes all‐cause mortality at day 28 (very low certainty).

1 finding from 1 review

Intervention not reported

Quality of life up to 28 days and longest · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Viral clearance at 7 days · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

It is very uncertain whether the intervention changes viral clearance at 7 days (very low certainty).

1 finding from 1 review

Intervention not reported

Viral clearance at 14 days · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

It is very uncertain whether the intervention changes viral clearance at 14 days (very low certainty).

1 finding from 1 review

Intervention not reported

All initial symptoms resolved at 28 days, and up to the longest · unvaccinated, non‐hospitalized people with mild symptomatic COVID‐19 (WHO scale 2 to 3) at high risk for progression to severe disease

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Quality of life up to 28 days and longest · unvaccinated, non‐hospitalized people with mild symptomatic COVID‐19 (WHO scale 2 to 3) at high risk for progression to severe disease

The review found no eligible studies for this question.

1 finding from 1 review

Light-emitting diode (LED) photobiomodulation vs Conventional orthodontic appliance treatment

Rate of orthodontic tooth movement during space closure stage (maxillary canine distalisation), mm/day · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment

It is very uncertain whether light-emitting diode (LED) photobiomodulation changes rate of orthodontic tooth movement during space closure stage… compared with conventional orthodontic appliance treatment (very low certainty).

1 finding from 1 review

Neocone vs Alvogyl

Mean time to resolution of pain · Adults (>18 years) with established dry socket following permanent tooth extraction

Neocone led to lower time to complete resolution of pain (days) compared with alvogyl; GRADE not reported.

1 finding from 1 review

Main comparison of patch angioplasty vs primary closure

Stroke · patients undergoing carotid endarterectomy, whether the initial indication for endarterectomy was symptomatic or asymptomatic carotid…

It is very uncertain whether main comparison of patch angioplasty changes any stroke (fatal or non‐fatal; contralateral, ipsilateral or… compared with primary closure (very low certainty).

1 finding from 1 review

Main comparison of patch angioplasty vs primary closure

Perioperative ipsilateral stroke (< 30 days) · patients undergoing carotid endarterectomy, whether the initial indication for endarterectomy was symptomatic or asymptomatic carotid…

It is very uncertain whether main comparison of patch angioplasty changes ipsilateral stroke (fatal or non‐fatal; haemorrhage or infarct)… compared with primary closure (very low certainty).

1 finding from 1 review

Main comparison of patch angioplasty vs primary closure

Occlusion of the operated artery within 30 days of operation · patients undergoing carotid endarterectomy, whether the initial indication for endarterectomy was symptomatic or asymptomatic carotid…

Main comparison of patch angioplasty may leads to lower occlusion of the operated artery within 30 days of operation compared with primary closure (low certainty).

1 finding from 1 review

Shunting vs no shunting

Stroke‐related death within 30 days of surgery (best‐case) · patients with symptomatic or asymptomatic carotid disease

Shunting may leads to lower stroke‐related death within 30 days of surgery (best‐case) compared with no shunting (low certainty).

1 finding from 1 review

Shunting vs no shunting

Stroke‐related death within 30 days of surgery (worst‐case) · patients with symptomatic or asymptomatic carotid disease

Shunting showed no clear difference in stroke‐related death within 30 days of surgery (worst‐case) compared with no shunting (low certainty).

1 finding from 1 review