Table 2.

Synthesis of occurrences’ numbers and references for collected data items.

Theme and category		Frequency	References
Decision support task
	Prevention	1	[85]
	Diagnosis	6	[73,78,84,85,87,89]
	Pathway	8	[72,73,81,82,84,85,90,91]
	Medication	10	[74-77,79,80,83,85,86,88]
	Patient education	1	[73]
	Continuity of care	1	[82]
	Self-management	0	—
Decision support technology
	Data visualization techniques	4	[77,83,84,89]
	Social network techniques	1	[82]
	International standards	5	[73,75,82,83,85]
	Machine learning	1	[87]
	Natural language processing	2	[77,78]
	Knowledge-based system	17	[72-77,79-81,83-86,88-91]
	Mobile technologies	0	—
Contextual information
	Patient clinical notes	19	[72-76,78-91]
	Laboratory results	4	[74-76,83]
	Comorbidities	2	[75,83]
	Medications	4	[74,75,77,83]
	Clinician knowledge	11	[76,77,81-83,85-90]
	Clinical practice guidelines	13	[72,73,75,76,79-85,90,91]
Decision maker(s)
	Nurse	2	[76,82]
	Specialist doctor	6	[75,77,82,87,89,91]
	Generalist doctor	13	[73,77,79-86,88,90,91]
	Pharmacist	1	[74]
	Patient	0	—
	Not specified	2	[72,78]
Diseases
	Obesity	3	[78,84,85]
	Diabetes	5	[80,84-86,88]
	Cardiovascular diseases	9	[73,75,79-81,84-86,88]
	Chronic respiratory diseases	2	[80,85]
	Chronic kidney diseases	2	[84,85]
	Chronic neurological conditions	3	[85,87,91]
	Mental health disorders	1	[85]
	Chronic musculoskeletal diseases	2	[80,85]
	Other	8	[76,80,83-85,89,90]
	Not specified	4	[72,74,77,82]
User interface considerations
	Interactivity	4	[73,75,77,89]
	User-centered design	1	[84]
	Summarization	3	[73,77,83]
	Workflow graphs	2	[75,90]
	Not specified	13	[73,74,76,78-82,85-88,91]
Evaluation
	Impact evaluation (service performance metrics)	1	[84]
	Impact evaluation (survey)	1	[84]
	Controlled comparison (expert panel)	4	[72,86,88,89]
	Controlled comparison (survey)	2	[82,85]
	Controlled comparison (simulation)	2	[78,87]
	Controlled comparison (human vs system)	1	[74]
	Controlled comparison (new vs old system)	1	[77]
	No evaluation	2	[76,81]
	Not specified	7	[72,75,79,80,83,90,91]