Consistency consistency of outcomes Directness ... - PLOS

S3 Table. Evaluation of risk of bias across all the studies of the meta-analysis Regarding the quality of the evidence base as a whole, the scoring system used for Clinical Evidence reviews, GRADE was applied [30]. Quality Type of evidence

Score

+4

blinding and allocation follow-up and withdrawals sparse data -1

Follow up was carried out and 9/19 randomized Overall evaluation

clinical trials (RCT) 9/19 intervention studies

withdrawals were reported in all studies. However, blinding was not possible in a training intervention. Blinding of personnel was reported only in 11/19 studies.

Consistency Directness consistency of generalisability outcomes of population -1

Although most studies showed similar results, there was some heterogeneity across the outcomes.

0

Effect size

GRADE Score overall risk of bias

0

2

The population

Overall, the

and the

quality of the

outcomes of

evidence base

each study show

Standardized

was

good

effect sizes did

downgraded to

generalisability

not exceed 2.

low.

for our

Risk of bias is

population of

assessed as

interest.

moderate.