Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,760 questions · 8,065 findings · 1,036 reviews

No studies found 1,686 · 20.9%GRADE not reported 675 · 8.4%Very low 1,953 · 24.2%Low 2,048 · 25.4%Moderate 1,296 · 16.1%High 407 · 5%

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Highest vs lowest selenium exposure

Bladder cancer risk No. of participants: 19,009 (2 RCTs) · Participants in trials with low risk of bias

Highest showed no clear difference in bladder cancer risk No. of participants: 19,009 (2 RCTs) compared with lowest selenium exposure (high certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Prostate cancer risk (13 studies) · Participants in trials with low risk of bias

Highest showed no clear difference in prostate cancer risk No. of participants: 18,942 (4 RCTs) compared with lowest selenium exposure (high certainty).

1 finding from 1 review

Intervention not reported

Caesarean section ‐ low risk group · nurses, midwives, physicians

The intervention showed no clear difference in caesarean section ‐ low risk group (high certainty).

1 finding from 1 review

Intervention not reported

Activities of daily living (ADL) (Barthel Index score 0 to 20; lower = 0; median 3‐month · adults with acute stroke

The intervention showed no clear difference in activities of daily living (ADL) (Barthel Index score 0 to 20; lower… (low certainty).

1 finding from 1 review

Intervention not reported

Subjective Health Status score (Assessment of Quality of Life Score 0 to 1; lower = 0; end of scheduled · adults with acute stroke

It is very uncertain whether the intervention changes subjective Health Status score (Assessment of Quality of Life Score… (very low certainty).

1 finding from 1 review

Arm support combined with alternative mouse vs conventional mouse alone

Incidence of upper body disorders (neck, shoulder, and upper extremity) Questionnaire followed by medical examination · office workers

Arm support combined with alternative mouse showed no clear difference in incidence of upper body disorders (neck, shoulder, and upper… compared with conventional mouse alone (moderate certainty).

1 finding from 1 review

Alternative mouse alone vs conventional mouse alone

Incidence of upper body disorders (neck, shoulder, and upper extremity) Questionnaire followed by medical examination · office workers

Alternative mouse alone showed no clear difference in incidence of upper body disorder (neck, shoulder and upper… compared with conventional mouse alone (moderate certainty).

1 finding from 1 review

Alternative mouse alone vs conventional mouse alone

Incidence of neck/shoulder disorder Questionnaire followed by medical examination · office workers

Alternative mouse alone showed no clear difference in incidence of neck or shoulderdisorder Questionnaire followed by… compared with conventional mouse alone (low certainty).

1 finding from 1 review

Alternative mouse alone vs conventional mouse alone

Incidence of right upper extremity disorder Questionnaire followed by medical examination · office workers

Alternative mouse alone showed no clear difference in incidence of right upper extremity disorder Questionnaire followed… compared with conventional mouse alone (moderate certainty).

1 finding from 1 review

Arm support combined with alternative mouse vs conventional mouse alone

Incidence of neck/shoulder disorder Questionnaire followed by medical examination · office workers

Arm support combined with alternative mouse probably leads to lower incidence of neck or shoulder disorder Questionnaire followed by… compared with conventional mouse alone (moderate certainty).

1 finding from 1 review

Arm support combined with alternative mouse vs conventional mouse alone

Incidence of right upper extremity disorder Questionnaire followed by medical examination · office workers

Arm support combined with alternative mouse showed no clear difference in incidence of right upper extremity disorder Questionnaire followed… compared with conventional mouse alone (moderate certainty).

1 finding from 1 review

Arm support with conventional mouse vs conventional mouse alone

Incidence of upper body disorders Questionnaire followed by medical examination · office workers

Arm support with conventional mouse showed no clear difference in incidence of upper body disorders Questionnaire followed by medical… compared with conventional mouse alone (low certainty).

1 finding from 1 review

Arm support with conventional mouse vs conventional mouse alone

Incidence of neck/shoulder disorder Questionnaire followed by medical examination · office workers

Arm support with conventional mouse showed no clear difference in incidence of neck or shoulder disorder Questionnaire followed by… compared with conventional mouse alone (low certainty).

1 finding from 1 review

Arm support with conventional mouse vs conventional mouse alone

Incidence of right upper extremity disorder Questionnaire followed by medical examination · office workers

Arm support with conventional mouse showed no clear difference in incidence of right upper extremity disorders Questionnaire followed… compared with conventional mouse alone (moderate certainty).

1 finding from 1 review

Intervention not reported

Autism symptom severity Measured by: parent‐reported autism symptoms on standardised autism screening and diagnostic instruments (lower scores indicate less severe autism symptoms) · patients with young children (less than six years old) with autism spectrum disorders (ASD)
1 finding from 1 review