Impact of standalone and embedded telephone triage systems on after hours primary medical care service utilisation and mix in Australia

Table 4 Contact with AH services in whole population in each AHPMCT area and national comparator

	STATEWIDE CALL CENTRE		REGIONAL CALL CENTRE		DEPUTISING SERVICE	LOCAL TRIAGE CENTRE	NATIONAL COMPARATOR
	Metro	Non-metro	Metro	Non-metro
Households contacted
Baseline	776	801	739	741	824	378	738
Follow-up	724	897	806	753	838	531	784
Households using AH services (overall utilization rate)
Baseline	45%	44%	47%	47%	46%	44%	50%
Follow-up	48%	39%^#	44%	46%	42%	34%***	45%^#
Household using a GP clinic AH
Baseline	25%	19%	33%	13%	32%	25%	33%
Follow-up	30%	20%	28%*	16%^#	25%***	21%	30%
Households having a GP home visit
Baseline	5%	2%	10%	4%	9%	4%	6%
Follow-up	5%	2%	6%**	5%	6%*	2%^#	4%*
Households visiting the ED
Baseline	31%	36%	22%	49%	28%	31%	30%
Follow-up	30%	32%	23%	42%	27%	24%*	28%^#
Households using ambulance services AH
Baseline	6%	4%	6%	10%	8%	5%	7%
Follow-up	6%	5%	7%	9%	8%	4%	6%