In-hospital mortality and management of ACS stratified by hospitals accredited and not accredited as CPCs
| Endings or treatment procedures | Total | Not CPC | CPC | P value |
| ACS | ||||
| N | 204 339 | 133 193 | 71 146 | |
| In-hospital death | 7125 (3.5) | 4972 (3.7) | 2153 (3.0) | <0.001 |
| Length of stay, day | 8 (5–11) | 8 (5–11) | 7 (5–10) | <0.001 |
| Total charge,10 000￥ | 2.2 (0.9–4.9) | 2.2 (0.9–5.1) | 2.2 (0.9–4.6) | <0.001 |
| PCI | 72 089 (35.3) | 44 177 (33.2) | 27 912 (39.2) | <0.001 |
| AMI | ||||
| N | 94 447 | 63 587 | 30 860 | |
| In-hospital death | 5576 (5.9) | 3926 (6.2) | 1650 (5.3) | <0.001 |
| Length of stay, day | 8 (6–12) | 9 (6–12) | 8 (5–11) | <0.001 |
| Total charge, 10 000￥ | 3.9 (1.5–5.6) | 3.8 (1.4–5.6) | 4.0 (1.8–5.5) | <0.001 |
| PCI | 47 558 (50.4) | 28 953 (45.5) | 18 605 (60.3) | <0.001 |
*Continuous variables are presented as median (IQR), and the differences between groups were compared using the signed rank test. Categorical variables are shown as n (%), and the differences between groups were compared using the χ2 test.
ACS, acute coronary syndrome; AMI, acute myocardial infarction; CPC, patients admitted to chest pain centres after the corresponding date of accreditation; Not CPC, patients admitted to hospitals that had not applied for chest pain centre accreditation; PCI, percutaneous coronary intervention.