Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

30 questions · 31 findings · 6 reviews · Headline outcomes only

No studies found 7 · 22.6%GRADE not reported 0 · 0%Very low 0 · 0%Low 8 · 25.8%Moderate 14 · 45.2%High 2 · 6.5%

Antioxidant multivitamin and mineral supplement vs placebo or no treatment

Progression to late AMD (neovascular AMD, geographic atrophy or both) · people with AMD

Antioxidant multivitamin and mineral supplement probably leads to lower progression to late AMD (neovascular AMD, geographic atrophy, or both) compared with placebo or no treatment (moderate certainty).

1 finding from 1 review

Antioxidant multivitamin and mineral supplement vs placebo or no treatment

Progression to neovascular AMD · people with AMD

Antioxidant multivitamin and mineral supplement probably leads to lower progression to neovascular AMD compared with placebo or no treatment (moderate certainty).

1 finding from 1 review

Antioxidant multivitamin and mineral supplement vs placebo or no treatment

Progression to geographic atrophy · people with AMD

Antioxidant multivitamin and mineral supplement showed no clear difference in progression to geographic atrophy compared with placebo or no treatment (moderate certainty).

1 finding from 1 review

Antioxidant multivitamin and mineral supplement vs placebo or no treatment

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

Antioxidant multivitamin and mineral supplement probably leads to lower progression to visual loss (loss of 3 or more lines on logMAR chart) compared with placebo or no treatment (moderate certainty).

1 finding from 1 review

Oral nutritional supplements vs multivitamin and mineral supplement

Complications · Partcipants with bladder cancer undergoing radical cystectomy (male n = 314, female n = 87; age (interquartile range) 59 to 74)Country:…

Oral nutritional supplements showed no clear difference in complications compared with multivitamin and mineral supplement (low certainty).

1 finding from 1 review

Oral nutritional supplements vs multivitamin and mineral supplement

All‐cause mortality · Partcipants with bladder cancer undergoing radical cystectomy (male n = 314, female n = 87; age (interquartile range) 59 to 74)Country:…

Oral nutritional supplements showed no clear difference in mortality compared with multivitamin and mineral supplement (low certainty).

1 finding from 1 review