“…First, according to the available literature, we have considered NHs as: - A healthcare intervention, measured in its effectiveness with intervention studies (e.g., measuring the effect of a specific method of NH on PS, Tobiano et al, ) as summarised in reviews using appropriate Population, Intervention/Exposure, Comparison and Outcome framework (PICO, Smith, Devane, Begley, & Clarke, ); and
- A phenomenon of interest, as a defined event, activity, experience, or process (e.g., measuring the nurses or patient's experiences regarding NHs, Starks & Brown Trinidad, ), thus summarised in reviews using Population, Phenomena of interest and Context framework (PICo, Stern, Jordan, & McArthur, ).
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