Table 2.
Basic characteristics of acute myocardial infarction patients in MIMIC-III data set and the private data set.
| Characteristic | MIMIC-III data set (n=3010), n (%) | Private data set (n=1846), n (%) | |
| Demographic |
|
|
|
|
|
Age ≥60 years | 2408 (80.0) | 1131 (61.3) |
|
|
Male gender | 1855 (61.6) | 1343 (72.8) |
|
|
Married | 1583 (52.6) | 1815 (98.3) |
| Medical Insurance |
|
|
|
|
|
Urban Employee Basic | N/Aa | 1422 (77.0) |
|
|
Medicare | 2030 (67.4) | N/A |
| Events during a hospital stay, n (numbers of events per patient) |
|
|
|
|
|
Laboratory test | 1,044,886 (347) | 349,563 (189) |
|
|
Radiological examination | 19,171 (6) | 5827 (3) |
|
|
Procedure | 19,630 (7) | 13,049 (7) |
| Outcomes |
|
|
|
|
|
Acute myocardial infarction-cause readmission, n (%) | 554 (18.4) | 100 (5.4) |
|
|
All-cause in-hospital mortality, n (%) | 245 (8.2) | 132 (7.2) |
|
|
Length of hospital stay, day, mean (standard deviation) | 10.0 (6.24) | 11.4 (5.85) |
aN/A: not applicable.