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Appendix table 2. Summary of changes to health regions, 2003 and 2005
Prov Health regions 2003 Units Health Regions 2005 Units Comments
10 NL Community Health Regions
6
 Regional Integrated Health Authorities (RIHAs)
4
 - RHIAs came into effect March 1st, 2005
- boundaries unchanged for two regions and the other four regions have been collapsed into two. Name and code changes introduced.
11 PE Health Regions
4
 Health Regions
4
 - current restructuring by province will collapse four administrative areas into one. Data will still be presented by the four health regions for consistency.
12 NS Zones
6
 Zones
6
 - no change
District Health Authorities
9
 - administrative areas that can be aggregated to zones for statistical purposes except for a small discrepancy
13 NB Health Regions
7
 Health Regions
7
 - no change
24 QC Régions sociosanitaires
18
 Régions sociosanitaires
18
 - name changes only
- 2403 Québec becomes Capitale-Nationale
- 2406 Montéal-Centre becomes Montréal
35 ON Public health units (PHUs)
37
 PHUs
36
 - public health unit of Muskoka-Parry Sound (3545) no longer exists – territory divided in part to North Bay Parry Sound District Health Unit (3547) and part to Simcoe Muskoka District Health Unit (3560)
District health councils
16
 LHINs
14
 - LHINs came into effect on April 1, 2005 – boundaries were developed based on travel patterns of residents to acute hospital care.
46 MB Regional Health Authorities
11
 Regional Health Authorities
11
 - no change
47 SK Regional Health Authorities
13
 Regional Health Authorities
13
 - no change
48 AB Regional Health Authorities
9
 Regional Health Authorities
9
 - change affecting boundary between Calgary Health Region and David Thompson Health Region
59 BC Health Service Delivery Areas (HSDA)
16
 Health Service Delivery Areas (HSDA)
16

- no change
60 YT Territory
1
 Territory
1
 - no change
61 NT Territory
1
 Territory
1
 - no change
62 NU Territory
1
 Territory
1
 - no change