Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

216 questions · 220 findings · 26 reviews

No studies found 45 · 20.5%GRADE not reported 16 · 7.3%Very low 92 · 41.8%Low 61 · 27.7%Moderate 5 · 2.3%High 1 · 0.5%

Immune‐enhancing supplements (oral or enteral) vs usual care or control

Infectious complications · people undergoing gastrointestinal surgery

Immune‐enhancing supplements (oral or enteral) showed no clear difference in infectious complications recorded up to 30 days postdischarge compared with usual care or control (low certainty).

1 finding from 1 review

Immune‐enhancing supplements (oral or enteral) vs usual care or control

Non‐infectious complications · people undergoing gastrointestinal surgery

Immune‐enhancing supplements (oral or enteral) showed no clear difference in non‐ infectious complications recorded up to 30 days postdischarge compared with usual care or control (low certainty).

1 finding from 1 review

Intervention not reported

Improvement of nutritional parameters (Nutrition)j · people with severe dementia
1 finding from 1 review

Mobile technologies used by community health or home‐care workers vs usual care

Providers' adherence to recommended practice, guidelines or protocols · Community‐based peer health workers consulting with clinic staff about receiving antiretroviral therapy, community nurses consulting with…

The review found no eligible studies for this question.

1 finding from 1 review

Mobile technologies used by community health or home‐care workers vs usual care

Time between presentation and management of the health condition · Community‐based peer health workers consulting with clinic staff about receiving antiretroviral therapy, community nurses consulting with…

The review found no eligible studies for this question.

1 finding from 1 review