Table 1.

Practice descriptions

CHARACTERISTIC	VICTORIA (SITE 1)	WINNIPEG (SITE 2)	TORONTO (SITE 3)	VANCOUVER (SITE 4)	TORONTO (SITE 5)
Initiating factor	Funding cuts to geriatric assessment services	High hospital use and difficult discharges	High hospital use and difficult discharges	Community need of homebound patients with retiring physician	Funding cuts to home-care services for seniors
First year	2003	2011	2011	2008	2007
Performance metrics	ED visits Hospital days	ED visits Hospital days	ED visits Hospital days	Deaths at home	Hospital admissions Hospital days
Target patient population	Homebound Age >75 y Frail	Adults with high hospital use	Homebound Age >65 y Adults with high hospital use	Homebound Age >80 y	Homebound Age >65 y Frail
Approximate panel size	280	85	68	400	300
Referral source	Self-referrals Home care, about 25% Community physician, about 25% Hospital	Home care Local hospital	Home care Local hospital	Home care	Hospital, 40% Home care, 40% Other, 20%

ED—emergency department.