Table 1.

Baseline Characteristics

Characteristic	Value
No. of patients	917
Gender, female, no. (%)	273 (30%)
Age, y (SD)	65 (±13)
Hypertension, no. (%)	628 (69%)
Dyslipidemia, no. (%)	386 (42%)
Diabetes mellitus, no. (%)	196 (21%)
Current smoking, no. (%)	305 (33%)
ACS family history, no. (%)	182 (20%)
STEMI, no. (%)	393 (43%)
No cardiac ischemia	108 (12%)
Time from onset of chest pain to first blood sample, h, median (IQR)	6.1 (2.6–14.5)
Time from onset of chest pain to second blood sample, h, median (IQR)	26.1 (20.5–34.5)
MACE, no. (%)	78 (8.5%)
6‐month mortality, no. (%)	65 (7%)

Abbreviations: ACS, acute coronary syndrome; IQR, interquartile range; MACE, major adverse cardiac event; SD, standard deviation; STEMI, ST‐elevation myocardial infarction;

Data are mean, median and IQR, or number (%) of patients.