Mortality rate
| Diagnosis at discharge | P values | |||||||
| CCP* (n=490) | ACS (n=325) | NCCP† (n=749) | NCCP-K (n=356) | NCCP-U (n=393) | CCP vs NCCP | ACS vs NCCP | NCCP-K vs NCCP-U | |
| In-hospital mortality rate, n (%) | 10 (2.0) | 9 (2.8) | 4 (0.5) | 2 (0.6) | 2 (0.5) | 0.014 | 0.002 | 0.921 |
| 6-month mortality rate, n (%)‡ | 27 (5.6) | 22 (6.8) | 10 (1.4) | 3 (0.9) | 7 (1.8) | <0.001 | <0.001 | 0.263 |
| 1-year mortality rate, n (%)‡ | 35 (7.2) | 26 (8.1) | 17 (2.3) | 6 (1.7) | 11 (2.9) | <0.001 | <0.001 | 0.306 |
*CCP group includes patients with ACS.
†NCCP group is a sum of the patients of the NCCP-K and NCCP-U groups.
‡7, 6, 9 and 9 patients loss of follow-up in the CCP, ACS, NCCP-K and NCCP-U groups, respectively.
ACS, acute coronary syndrome; CCP, cardiac chest pain; NCCP, non-CCP; NCCP-K, NCCP of known origin; NCCP-U, NCCP of unknown origin.