Findings

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Evidence found and GRADE certainty

3,971 questions · 9,849 findings · 853 reviews

No studies found 1,150 · 11.7%GRADE not reported 3,387 · 34.4%Very low 1,963 · 19.9%Low 1,809 · 18.4%Moderate 1,207 · 12.3%High 333 · 3.4%

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Summary of Findings Table ‐ Electrocoagulation in combination with allopurinol or with dimethyl sulphoxide vs control (vehicle solution of allopurinol by mouth)

All‐cause mortality at last · people with liver metastases

Summary of Findings Table ‐ Electrocoagulation in combination with… may leads to lower all‐cause mortality at last compared with control (vehicle solution of allopurinol by mouth) (low certainty).

1 finding from 1 review

Summary of Findings Table ‐ Electrocoagulation in combination with allopurinol or with dimethyl sulphoxide vs control (vehicle solution of allopurinol by mouth)

Post‐operative deaths · people with liver metastases

It is very uncertain whether summary of Findings Table ‐ Electrocoagulation in combination with… changes post‐operative deaths compared with control (vehicle solution of allopurinol by mouth) (very low certainty).

1 finding from 1 review

Fluoride concentration relative to the acceptable range (electrometric ion-selective electrode measurement; acceptable range mostly 0.6-0.8 ppmF) vs None (descriptive proportion meta-analysis)

Water samples with fluoride concentration below the acceptable range · Artificially fluoridated public water supply in Brazilian cities (water samples under external control)

In the Northeast Brazilian region, a pooled 79.7% of water samples had fluoride below the acceptable range; ungraded.

2 findings from 1 review

Fluoride concentration relative to the acceptable range (electrometric ion-selective electrode measurement; acceptable range mostly 0.6-0.8 ppmF) vs None (descriptive proportion meta-analysis)

Water samples with fluoride concentration above the acceptable range · Artificially fluoridated public water supply in Brazilian cities (water samples under external control)

In the Southeast Brazilian region, a pooled 11.5% of water samples had fluoride above the acceptable range; ungraded.

2 findings from 1 review

Fluoride concentration relative to the acceptable range (electrometric ion-selective electrode measurement; acceptable range mostly 0.6-0.8 ppmF) vs None (descriptive proportion meta-analysis)

Water samples with fluoride concentration outside the acceptable range · Artificially fluoridated public water supply in Brazilian cities (water samples under external control)

In Brazilian cities using external control, more than half of artificially fluoridated public water supply samples (pooled 56.6%, 95% CI 45.5 to 67.3) had fluoride concentrations outside the acceptable range, with very high heterogeneity (I2=99.5%); ungraded.

3 findings from 1 review

Microwave coagulation vs radiofrequency ablation

Recurrence of liver metastases local progression · people with liver metastases

It is very uncertain whether microwave coagulation changes recurrence of liver metastases local progression compared with radiofrequency ablation (very low certainty).

1 finding from 1 review

Microwave coagulation vs radiofrequency ablation

Recurrence of liver metastases distant recurrence · people with liver metastases

It is very uncertain whether microwave coagulation changes recurrence of liver metastases distant recurrence compared with radiofrequency ablation (very low certainty).

1 finding from 1 review

Intervention not reported

Dimethylfumarate (Direct evidence; 2 RCTs; 2307 participants) · Patients with RRMS Interventions: alemtuzumab, azathriopine, cladribine, dimethylfumarate, fingolimod, glatiramer acetate,…

The intervention probably leads to lower dimethylfumarate (Direct evidence; 2 RCTs; 2307 participants) (moderate certainty).

1 finding from 1 review

Intervention not reported

Dimethylfumarate (Direct evidence; 2 RCTs; 2307 participants) · Patients with RRMS Interventions: Alemtuzumab, azathioprine, cladribine, dimethylfumarate, fingolimod, glatiramer acetate,…

The intervention may leads to lower dimethylfumarate (Direct evidence; 2 RCTs; 2307 participants) (low certainty).

1 finding from 1 review

Intervention not reported

Dimethylfumarate (Direct evidence; 2 RCTs; 2300 participants) · Patients with RRMS Interventions: Alemtuzumab, azathioprine, cladribine, daclizumab, dimethylfumarate, fingolimod, glatiramer acetate,…

The intervention showed no clear difference in dimethylfumarate (Direct evidence; 2 RCTs; 2300 participants) (low certainty).

1 finding from 1 review

Intervention not reported

Dimethylfumarate (Direct evidence; 2 RCTs; 2300 participants) · Patients with RRMS Interventions: Alemtuzumab, cladribine, daclizumab, dimethylfumarate, fingolimod, glatiramer acetate, interferon…

The intervention showed no clear difference in dimethylfumarate (Direct evidence; 2 RCTs; 2300 participants) (low certainty).

1 finding from 1 review

Lifestyle interventions vs placebo or usual care

Cardiovascular and metabolic event frequency (12 months) (Number of strokes, myocardial infarctions and hospitalisations for heart failure) · weight reduction in obesity to improve survival in women with endometrial cancer

Summary of findings table ‐ Lifestyle intervention showed no clear difference in cardiovascular and metabolic event frequency (6 months) compared with usual care compared to placebo (low certainty).

1 finding from 1 review