SVEAT score outperforms HEART score in patients admitted to a chest pain observation unit

Table 1 Definition of the Symptoms, History of Vascular disease, Electrocardiography, Age, and Troponin score

Component	Characteristics	Points
Symptoms	Typical unstable angina pectoris	3
	Stable angina, Canadian Cardiovascular Society Class I or II	1
	Non-cardiac chest pain	-2
Vascular disease	Recent myocardial infarction or percutaneous coronary intervention < 90 days	2
	Coronary artery bypass grafting > 5 years	2
	Prior coronary event other than above	1
	Prior revascularization for peripheral disease or carotid disease	2
EKG	Dynamic or new ischemic ST or T wave changes	3
	ST depression of unknown duration without cause	2
	ST changes with left ventricular hypertrophy, intraventricular conduction delay, digitalis, or metabolic issue	1
	Old Q wave indicating prior myocardial infarction or pre-existing ST changes	1
	No ST changes	0
	Normal EKG in the presence of severe ongoing chest pain	-2
Age (years)	> 75	2
	50-75	1
	30-49	0
	< 30	-1
Troponin I (ng/mL)	0.7 or higher	5
	> 0.12 but < 0.7	2
	> 0.04 but < or = 0.12	1
	Normal (< or = 0.004) with unclear duration of chest pain	0
	Normal after > 4 h of constant chest pain	-2

Reproduced from Roongsritong et al[8], 2020. With permission from Elsevier, Table 1 was reprinted from: Roongsritong C, Taha ME, Pisipati S, Aung S, Latt H, Thomas J, Namballa L, Al-Hasnawi HJ, Taylor MK, Gullapalli N. SVEAT Score, a Potential New and Improved Tool for Acute Chest Pain Risk Stratification. Am J Cardiol 2020; 127: 36-40. Copyright © 2020 Elsevier Inc.

Table 2 Baseline patient characteristics

Continuous variables	Overall (n = 330)	30-d MACE		P value
		Yes, n = 11 (3.3%)	No, n = 319 (96.7%)
Age, mean ± SD (yr)	59.5 ± 13.9	74.3 ± 13.2	59 ± 13.6	< 0.0001
BMI, mean ± SD (kg/m2)	30.7 ± 7.8	27.8 ± 6.3	30.7 ± 7.8	0.23
Males, n (%)	172 (52.1)	7 (63.6)	165 (51.7)	0.55
Diabetes, n (%)	94 (28.5)	5 (45.5)	89 (27.9)	0.31
Dyslipidemia, n (%)	153 (46.4)	4 (36.4)	149 (46.7)	0.55
Hypertension, n (%)	206 (62.4)	10 (90.9)	196 (61.4)	0.06
Smoker, n (%)	177 (53.6)	9 (81.8)	168 (52.7)	0.07

Dyslipidemia: Total cholesterol > 200 mg/dL or low density lipoprotein > 130 mg/dL or non-high density lipoprotein cholesterol > 160 mg/dL. MACE: Major adverse cardiovascular events; BMI: Body mass index.

Table 3 Logistic model of major adverse cardiovascular events with HEART and SVEAT scores as covariates using cut-off of ≤ 4 points for SVEAT and ≤ 3 points for HEART for low-risk

30-d MACE	Odds ratio	P value	95%CI
HEART score	1.29	0.32	0.78-2.14
SVEAT score	1.52	0.001	1.19-1.95

MACE: Major adverse cardiovascular events; SVEAT: Symptoms, History of Vascular disease, Electrocardiography, Age, and Troponin; HEART: History, Electrocardiography, Age, Risk factors and Troponin.