Table 1 Baseline characteristics of the study cohort (n = 29).

	Number of patients	AMI	Number of patients	non- AMI	p-value
Male gender	15	12/15 (80%)	14	13/14 (93%)	0.598
Age (years), mean (SD)	15	62.1 (10.9)	14	56.7 (9.8)	0.174
NSTEMI		5/15 (33%)
STEMI		10/15(66%)
Cardiovascular risk factors
Hypertension	15	10/15 (67%)	14	10/14 (71%)	1
Hyperlipidemia	14	1/14 (7%)	14	1/14 (7%)	1
Diabetes mellitus	15	4/15 (27%)	14	5/14 (36%)	0.561
Active smoker	14	6/14 (43%)	14	8/14 (57%)	0.705
Obesity	10	4/10 (40%)	14	7/14 (50%)	0.697
Family history	13	1/13 (8%)	13	1/13 (8%)	1
Ejection fraction	15/12	44 ± 10	14/12	51 ± 13	0.19
Laboratory parameters on admission
Troponin T - CVS (pg/mL)	15	564.47 ± 183.14	14	5.59 ± 0.74	<0.001
Troponin T - AO (pg/mL)	15	337.17 ± 98.95	14	4.15 ± 0.66	<0.001
Troponin T - TCG (pg/mL)	15	227.2 ± 96.3	14	1.45 ± 0.58	<0.001
Copeptin - CVS (pmol/L)	15	29.70 ± 8.85	14	8.54 ± 1.64	0.018
Copeptin - AO (pmol/L)	15	29.78 ± 9.32	14	8.73 ± 1.67	0.026
Copeptin - TCG (pmol/L)	15	−0.07 ± −0.86	14	−0.18 ± −0.32	0.78
NT-proBNP - CVS (pg/mL)	15	959.04 ± 272.45	14	120.20 ± 23.63	0.02
NT-proBNP - AO (pg/mL)	15	767.95 ± 233,76	14	90.27 ± 23.50	0.014
NT-proBNP - TCG (pg/mL)	15	191.09 ± 80.74	14	29.92 ± 7.81	0.354
Clinical variables
Chest pain onset time [h], median (IQR)	15	5.0 (2.5, 9)

Data are presented as n (%), mean (standard error of the mean) or median (25th, 75th percentile). AMI denotes Acute Coronary Syndrome, NSTEMI denotes Non ST-elevation myocardial infarction, STEMI denotes STelevation myocardial infarction. Obesity was defined as body mass index of at least 30. Data is shown as percentage, mean (SEM) for troponin and copeptin and median (IQR) for chest onset time. P-values in the baseline table refer to chi square, t- and Wilcoxon tests for categorical and continuous symmetric and skewed distributed variables, respectively.

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