Table 1. Inclusion and exclusion criteria.

Included	Excluded
RCTs, systematic reviews, meta-analyses, cohort studies, observational studies, national/international guidelines, and expert consensus opinion	Studies published before 2009
Studies involving the preparation and/or administration of IV medicines via peripheral or central venous access devices	Studies focusing on needlefree devices or the introduction, care, or maintenance of access devices
Studies focusing on medical professionals, nurses, midwives, paramedics and radiographers, working within pre-hospital, acute hospital and community settings	Studies examining the administration of blood, blood products, or parenteral nutrition
Studies carried out in pre-hospital, acute hospital and community settings	Studies focusing on consent to IVT treatment or infection prevention

RCTs, randomised controlled trials.