Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

136 questions · 138 findings · 9 reviews

No studies found 31 · 22.5%GRADE not reported 43 · 31.2%Very low 19 · 13.8%Low 42 · 30.4%Moderate 3 · 2.2%High 0 · 0%

Dietary advice vs dietary advice plus oral nutritional supplements

Number of people admitted or re‐admitted to hospital · adults with disease‐related malnutrition

Dietary advice may leads to higher number of people admitted or re‐admitted to hospital compared with dietary advice plus oral nutritional supplements (low certainty).

1 finding from 1 review

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Gestational weight gain · pregnant women

It is very uncertain whether low‐GI dietary advice changes gestational weight gain (kg) compared with moderate‐ to high‐GI dietary advice (maternal outcomes) (very low certainty).

1 finding from 1 review

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Large‐for‐gestational age · pregnant women

It is very uncertain whether low‐GI dietary advice changes large‐for‐gestational age compared with moderate‐ to high‐GI dietary advice (child outcomes) (very low certainty).

1 finding from 1 review