Table 1.

Patient Demographics

Eligible Patients	Total (N = 7,130)	Patients With Serial hsTnT (n = 3,439)
Age (y)	Median = 55.7, IQR = 45.1–66.7	Median = 56.69, IQR = 50.75–70.38
Sex	Male 55.1%, female 44.9%	Male 58.6%, female 41.4%
EMS arrival	747 (10.5%)	476 (13.8%)
Median time from triage to first hsTnT assay (min)	26, IQR = 17–39	24, IQR = 16–36
Patients with serial hsTnT assays, n (%)	3,439 (48.2)	3,439 (100)
Initial hsTnT (ng/L), n (%)
<3	1,103 (15.5)	331 (9.62)
<5	2,399 (33.6)	800 (23.26)
<6	3,009 (42.2)	1,026 (29.83)

hsTnT = high‐sensitivity cardiac troponin T; IQR = interquartile range.