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What do systematic reviews say?

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Evidence found and GRADE certainty

380 questions · 393 findings · 51 reviews

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No studies found 96 · 24.4%GRADE not reported 45 · 11.5%Very low 64 · 16.3%Low 77 · 19.6%Moderate 63 · 16%High 48 · 12.2%

Intervention not reported

Health‐seeking behaviour · Pregnant women undergoing prenatal serum screening for Down syndrome

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Patient's evaluation of the intervention (including perceptions of safety) · Pregnant women undergoing prenatal serum screening for Down syndrome

The review found no eligible studies for this question.

1 finding from 1 review

Some components of shared decision‐making, including clarification of values and preferences, vs control

Knowledge of all the options · women aged 38 to 71 years at average to moderate risk of breast cancer

Some components of shared decision‐making, including clarification… showed no clear difference in knowledge of all the options compared with control (low certainty).

1 finding from 1 review

Some components of shared decision‐making, including clarification of values and preferences, vs control

Choice of an option aligned with each woman’s values and preferences · women aged 38 to 71 years at average to moderate risk of breast cancer

The review found no eligible studies for this question.

1 finding from 1 review

Some components of shared decision‐making, including clarification of values and preferences, vs control

Mental health outcomes · women aged 38 to 71 years at average to moderate risk of breast cancer

Some components of shared decision‐making, including clarification… showed no clear difference in mental health outcomes compared with control (low certainty).

1 finding from 1 review

Studies focused only on enhanced communication, without clarification of values and preferences, vs control

Confidence in the decision made · women aged 40 to 75 years at average to moderate risk of breast cancer

Studies focused only on enhanced communication, without… showed no clear difference in confidence in the decision made compared with control (low certainty).

1 finding from 1 review

Studies focused only on enhanced communication, without clarification of values and preferences, vs control

Knowledge of all the options · women aged 40 to 75 years at average to moderate risk of breast cancer

Studies focused only on enhanced communication, without… leads to higher knowledge of all the options*** compared with control (high certainty).

1 finding from 1 review

Studies focused only on enhanced communication, without clarification of values and preferences, vs control

Choice of an option aligned with each woman’s values and preferences · women aged 40 to 75 years at average to moderate risk of breast cancer

The review found no eligible studies for this question.

1 finding from 1 review

Studies focused only on enhanced communication, without clarification of values and preferences, vs control

Mental health outcomes · women aged 40 to 75 years at average to moderate risk of breast cancer

Studies focused only on enhanced communication, without… showed no clear difference in mental health outcomes compared with control (high certainty).

1 finding from 1 review

Shared decision‐making (all components) vs control

Knowledge of all the options · women aged 40 to 75 years at average to moderate risk of breast cancer

It is very uncertain whether shared decision‐making (all components) changes knowledge of all the options compared with control (very low certainty).

1 finding from 1 review