Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,808 questions · 8,953 findings · 827 reviews · Headline outcomes only

No studies found 1,891 · 21.1%GRADE not reported 380 · 4.2%Very low 2,100 · 23.5%Low 2,449 · 27.4%Moderate 1,684 · 18.8%High 449 · 5%

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Whole gland primary cryotherapy vs external beam radiotherapy (EBRT)

Time to death from any cause (absolute effects: overall mortality)

It is very uncertain whether whole gland primary cryotherapy changes time to death from any cause (absolute effects: overall mortality) compared with external beam radiotherapy (EBRT) (very low certainty).

1 finding from 1 review

Radiotherapy vs control

Progression to visual loss (loss of 3 or more lines on logMAR chart) · people with neovascular AMD

Radiotherapy showed no clear difference in loss of 3 or more lines of best‐corrected visual acuity Measured… compared with control (low certainty).

1 finding from 1 review

Chemotherapy vs placebo, best supportive care (BSC) or no treatment

Overall survival · advanced gastric and oesophago‐gastric junction adenocarcinoma

Chemotherapy probably leads to lower overall survival compared with placebo, best supportive care (BSC) or no treatment (moderate certainty).

1 finding from 1 review