Table 1.

Baseline characteristics stratified by hs-cTnI levels (ng/L) less than or greater than ULN

	Hs-cTnI <ULN (n=18 915)	Hs-cTnI >ULN (n=1085)	P value
Age (years)	57.4	74.2	<0.001
Male sex (No, %)	8796 (46.5)	622 (57.3)	0.005
eGFR(mL/min/1.73 m2)	79.1	59.6	<0.001
Sodium (mmol/L)	137.2	136	<0.001
Inpatients (No, %)	4540 (24.0)	405(37.3)	<0.001
Outpatients (No, %)	9155(48.4)	189(17.4)	<0.001

eGFR=estimated glomerular filtration rate; hs-cTnI=high sensitivity cardiac troponin I; ULN=upper limit of normal (40 ng/L).