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Evidence found and GRADE certainty

4,410 questions · 8,901 findings · 1,091 reviews

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No studies found 1,687 · 19%GRADE not reported 1,469 · 16.5%Very low 1,969 · 22.1%Low 2,060 · 23.1%Moderate 1,302 · 14.6%High 414 · 4.7%

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Slow vs faster rates of enteral feed advancement

Necrotising enterocolitis · very preterm or very low birth weight infants

Slow showed no clear difference in necrotising enterocolitis before hospital discharge compared with faster rates of enteral feed advancement (moderate certainty).

1 finding from 1 review

Slow vs faster rates of enteral feed advancement

Mortality before hospital discharge · very preterm or very low birth weight infants

Slow showed no clear difference in mortality before hospital discharge compared with faster rates of enteral feed advancement (moderate certainty).

1 finding from 1 review

Slow vs faster rates of enteral feed advancement

Invasive infection (before hospital discharge) · very preterm or very low birth weight infants

Slow showed no clear difference in invasive infection before hospital discharge compared with faster rates of enteral feed advancement (low certainty).

1 finding from 1 review

High vs low omega‐3 fats

Serum low‐density lipoprotein (LDL, mmol/L) · adults with or without existing CVD
2 findings from 1 review

Low‐dose computed tomography (LDCT) screening vs no LDCT screening

Mortality: lung cancer · healthy adults

Low‐dose computed tomography (LDCT) screening probably leads to lower lung cancer‐related mortality ‐ planned time points compared with no LDCT screening (moderate certainty).

1 finding from 1 review

Low‐dose computed tomography (LDCT) screening vs no LDCT screening

All‐cause mortality ‐ planned time points · healthy adults

Low‐dose computed tomography (LDCT) screening probably leads to lower all‐cause mortality ‐ planned time points compared with no LDCT screening (moderate certainty).

1 finding from 1 review

Low‐dose computed tomography (LDCT) screening vs no LDCT screening

Overdiagnosis Time point: ≥ 10 years from randomisation excluding CXR trials  · healthy adults

Low‐dose computed tomography (LDCT) screening showed no clear difference in overdiagnosis Time point: ≥ 10 years from randomisation excluding… compared with no LDCT screening (low certainty).

1 finding from 1 review

Low‐dose computed tomography (LDCT) screening vs no LDCT screening

Any death postsurgery Time point: 6 years to 9 years from randomisation · healthy adults

Low‐dose computed tomography (LDCT) screening showed no clear difference in any death postsurgery Time point: 6 years to 9 years from… compared with no LDCT screening (moderate certainty).

1 finding from 1 review

Low‐dose computed tomography (LDCT) screening vs no LDCT screening

Health‐related quality of life ‐ anxiety Time point: 10 months to 5 years from randomisation Measured by different scales · healthy adults

Low‐dose computed tomography (LDCT) screening showed no clear difference in health‐related quality of life ‐ anxiety Time point: 10 months to 5… compared with no LDCT screening (low certainty).

1 finding from 1 review

Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets

Change in weight (kg) · overweight and obese participants without T2DM (weight‐reducing phase only)
2 findings from 1 review

Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets

Change in weight (kg) · overweight and obese participants with T2DM (weight‐reducing phase only)
2 findings from 1 review

Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets

Weight loss of at least 5% at ≥ 12 months ‐ not measured · overweight and obese participants with T2DM (weight‐reducing phase only)

It is very uncertain whether summary of findings table ‐ Low‐carbohydrate weight‐reducing diets changes weight loss of at least 5% at ≥ 12 months compared with balanced‐carbohydrate weight‐reducing diets (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets

Cardiovascular mortality ‐ not measured · overweight and obese participants with T2DM (weight‐reducing phase only)

The review found no eligible studies for this question.

1 finding from 1 review