Table 1 The main study elements in PO format

Population

Any guideline-oriented ontological decision support system

outcome

Primary outcome(s):

Specifications of ontologies ontology design methods

Specifications of the guidelines used

Computer-interpretable guidelines (CIGs) models

Language of rules

System architecture

Ontology evaluation methods

System evaluation methods

Secondary outcome(s):

Effect of ontologies on potential to improve guideline-based decision making as appraised by experts