Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

181 questions · 184 findings · 35 reviews

No studies found 57 · 31%GRADE not reported 26 · 14.1%Very low 44 · 23.9%Low 43 · 23.4%Moderate 13 · 7.1%High 1 · 0.5%

Oral magnesium vs placebo/no treatment

At least 50% reduction in pain · treating leg cramps in pregnancy

It is very uncertain whether oral magnesium changes intensity of pain: 50% reduction in pain score 100‐mm visual… compared with placebo/no treatment (very low certainty).

1 finding from 1 review

1000 mg champignon extract vs placebo

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

It is very uncertain whether 1000 mg champignon extract changes patient-reported visual analogue scale (VAS) score (scale 0 to 100) compared with placebo (very low certainty).

1 finding from 1 review

1000 mg champignon extract vs 50 mg champignon extract

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

It is very uncertain whether 1000 mg champignon extract changes patient-reported visual analogue scale (VAS) score (scale 0 to 100) compared with 50 mg champignon extract (very low certainty).

1 finding from 1 review

Intervention not reported

Number of participants below 30/100 mm on the visual analogue scale (VAS) in self‐reported postoperative pain intensity · adults undergoing open heart surgery

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Number of participants below 30/100 mm on the visual analogue scale (VAS) in self‐reported postoperative pain intensity · adults undergoing open heart surgery

It is very uncertain whether the intervention changes number of participants below 30/100 mm on the visual analogue scale… (very low certainty).

1 finding from 1 review

Intervention not reported

Number of participants below 30/100 mm on the visual analogue scale (VAS) in self‐reported postoperative pain intensity · adults undergoing open heart surgery

The review found no eligible studies for this question.

1 finding from 1 review

Surgery fee waiver with/without transport provision or reimbursement to improve access to cataract surgical services vs usual care

Surgical outcome (visual acuity in the operated eye) · people with vision impairment caused by cataract

The review found no eligible studies for this question.

1 finding from 1 review