Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

52 questions · 62 findings · 6 reviews

No studies found 21 · 33.9%GRADE not reported 0 · 0%Very low 22 · 35.5%Low 18 · 29%Moderate 0 · 0%High 1 · 1.6%

Other dressing vs control

Proportion of participants developing a new pressure ulcer · individuals at risk of pressure ulcer development

It is very uncertain whether other dressing changes pressure ulcer incidence: polyurethane film vs hydrocolloid dressing compared with control (very low certainty).

4 findings from 1 review
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Other dressing vs control

Incidence of pressure ulcers · individuals at risk of pressure ulcer development

It is very uncertain whether other dressing changes pressure ulcer incidence: PPD vs no dressing compared with control (very low certainty).

1 finding from 1 review

Protease‐modulating matrix dressing regimen vs any other dressing regimen

Proportion of participants with healed ulcers at 6 weeks · people with venous leg ulcers

It is very uncertain whether protease‐modulating matrix dressing regimen changes proportion of participants healed ‐ short term (4‐8 weeks) compared with any other dressing regimen (very low certainty).

1 finding from 1 review

Protease‐modulating matrix dressing regimen vs any other dressing regimen

Proportion of participants with healed ulcers at 12 weeks · people with venous leg ulcers

Protease‐modulating matrix dressing regimen showed no clear difference in proportion of participants healed ‐ medium term (12 weeks) compared with any other dressing regimen (low certainty).

1 finding from 1 review

Protease‐modulating matrix dressing regimen vs any other dressing regimen

Proportion of participants healed ‐ long term (over 24 weeks) · people with venous leg ulcers

Protease‐modulating matrix dressing regimen showed no clear difference in proportion of participants healed ‐ long term (over 24 weeks) compared with any other dressing regimen (low certainty).

1 finding from 1 review

Protease‐modulating matrix dressing regimen vs any other dressing regimen

Proportion of participants with 1 or more adverse events at 2‐12 weeks · people with venous leg ulcers

Protease‐modulating matrix dressing regimen showed no clear difference in proportion of participants with 1 or more adverse events at 2‐12 weeks compared with any other dressing regimen (low certainty).

1 finding from 1 review

Rice fortified with iron alone or in combination with other micronutrients vs unfortified rice (no micronutrients added)

Anaemia · general population of all age groups (including pregnant women) from any country, over two years of age

Rice fortified with iron alone or in combination with other… may leads to lower anaemia (defined as haemoglobin below the WHO cut‐off, adjusted for… compared with unfortified rice (no micronutrients added) (low certainty).

1 finding from 1 review

Rice fortified with iron alone or in combination with other micronutrients vs unfortified rice (no micronutrients added)

Iron deficiency (as defined by study authors, based on a biomarker of iron status) · general population of all age groups (including pregnant women) from any country, over two years of age

Rice fortified with iron alone or in combination with other… may leads to lower iron deficiency (as defined by study authors, based on a biomarker… compared with unfortified rice (no micronutrients added) (low certainty).

1 finding from 1 review

Rice fortified with iron alone or in combination with other micronutrients vs unfortified rice (no micronutrients added)

Vitamin A deficiency · general population of all age groups (including pregnant women) from any country, over two years of age

Rice fortified with iron alone or in combination with other… showed no clear difference in vitamin A deficiency (as defined by the study authors) compared with unfortified rice (no micronutrients added) (low certainty).

1 finding from 1 review