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What do systematic reviews say?

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Evidence found and GRADE certainty

520 questions · 527 findings · 55 reviews · Headline outcomes only

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No studies found 140 · 26.6%GRADE not reported 66 · 12.5%Very low 121 · 23%Low 115 · 21.8%Moderate 77 · 14.6%High 8 · 1.5%

Continuous glucose monitoring system vs intermittent modalities

All‐cause mortality during initial hospitalization ‐ not reported · infants at risk of hypoglycaemia or hyperglycaemia

It is very uncertain whether summary of findings table ‐ Continuous glucose monitoring (CGM) changes death during initial hospitalization (all‐cause mortality) compared with intermittent modalities (very low certainty).

1 finding from 1 review

Summary of findings ‐ structured telephone support or telemonitoring vs usual care

All‐cause mortality: Structured telephone support versus usual care · patients with heart failure

Summary of findings ‐ structured telephone support or telemonitoring probably leads to lower all‐cause mortality: Structured telephone support versus usual care compared with usual care ‐ all‐cause mortality (moderate certainty).

1 finding from 1 review

Monitoring (any means of observation, supervision, keeping under review, measuring or testing at intervals) vs observation

Proportion of participants developing a new pressure ulcer · staff caring for patients at risk of pressure ulcers

It is very uncertain whether monitoring and observation changes incidence of new pressure ulcers compared with observation alone (very low certainty).

1 finding from 1 review