Analytical criteria used by the provincial cardiac registries

Province	Cardiac registry	Analytical criteria
		Age	All patients undergoing procedure in the hospitals reporting to the registry included	Used procedure as an encounter	Reporting time frame	Cancelled procedures included	Procedures abandoned after onset included	Day surgery PCIs included	CABG counts included
British Columbia	British Columbia Cardiac Registries	All ages	Yes	Yes	Procedure date	No	No	Yes	Isolated CABG only
Alberta	APPROACH	20 years and older	Yes	Yes	Procedure date	No	No	Yes	Any CABG
Saskatchewan	APPROACH partner site*	All ages	Yes	Yes	Procedure date	No	Yes	Yes	Any CABG
Manitoba	Cardiac Sciences Program of Winnipeg Regional Health Authority	18 years and older	Yes	Yes	Procedure date	No	Yes	Yes	Any CABG
Ontario	Cardiac Care Network of Ontario	All ages	PCI – Yes; CABG – only patients with a valid OHIP number	Yes	Procedure date	No	No	Yes	Isolated CABG only
Nova Scotia	Maritime Heart Centre Cardiac Surgery Registry (CABG data)	All ages	Yes	Yes	Discharge date	No	Yes	N/A	Any CABG
	APPROACH partner site (PCI data)	All ages	Yes	Yes	Procedure date	No	Yes	Yes	N/A
Newfoundland and Labrador	Cardiac Care Program of St John’s Health Services Corporation	All ages	Yes	Yes	Procedure date	No	No	Yes	Any CABG

The table reflects analytical criteria used to produce counts for this study. These criteria might be different from those used by the registries to produce their reports.

^*Saskatchewan registry coverage limited to patients treated in hospitals located in the Regina Qu’Appelle Regional Health Authority. APPROACH Alberta Provincial Project for Outcomes Assessment Coronary Heart Disease; CABG Coronary artery bypass graft; N/A Not applicable; OHIP Ontario Health Insurance Plan; PCI Percutaneous coronary intervention