Table 3.

Indicators of the triple aim dimension: Reducing the per capita cost of healthcare.

Performance dimension: Reducing the per capita cost	Frequency	Indicator category	Classifying variable	Performance measurement indicator	References
Costs per case treated
Follow-up healthcare service use (patient guided to ED percentage per hour; utilization of PC and ED visits)	10	Outcome		x	[34,39,41,43,50,57,59,61,70,72]
Number of calls to telephone triage per patient by specific time	5	Process	x		[26,36,37,50,52]
Hospitalization after the call (frequency, type and duration of follow-up hospitalization)	5	Process		x	[1,47,57,70,73]
Service effects on healthcare utilization (number of office visits to primary care clinics/ED)	4	Structural	x		[39,43,47,70]
ED visit outcome (clinical outcomes, diagnosis and hospitalization rate of ED visit)	4	Outcome		x	[42,52,55,64]
Costs (private and public costs, running costs of service)	3	Outcome		x	[48, 64,71,72]