Table 1.
Designation of the treatment variable corresponding to the year and month of regional cardiocerebrovascular center designation by tertiary catchment area [8]
| Region | Designated year and month | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gangwon-do | Nov 2008 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Gyeongsangbuk-do | Nov 2008 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Jeju-do | Nov 2008 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Gyeongsangnam-do | Mar 2009 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Gwangju | Mar 2009 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Chungcheongbuk-do | Mar 2009 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Busan | Apr 2010 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Jeollabuk-do | Apr 2010 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Daejeon | Apr 2010 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Gyeonggi-do (1)1 | Dec 2012 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Incheon | Dec 2012 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Seoul | Not designated | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Gyeonggi-do (2)1 | Not designated | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Gyeonggi-do (3)1 | Not designated | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Gyeonggi-do (4)1 | Not designated | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
00, not designated; 1, designated.
1
Gyeonggi-do is divided into four catchment area (Table S3). Among them, only one catchment area has designated to have an Regional Cardiocerebrovascular Center until 2016.