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. 2022 Jan 6;24(1):e30720. doi: 10.2196/30720

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.