Table 1: The comparison of clinical characteristics between the subgroups.

Total (n = 103)E group (n = 15)Other group (n = 88)P

Age (years)59.0 (52.0–72.0)58.0 (54.0–78.0)59.0 (52.0–72.0)0.578
Male gender, n (%)33 (32)2 (13)31 (35)0.093
Body surface area (m2)1.6 ± 0.2 1.5 ± 0.1 1.6 ± 0.20.093
Hypertension, n (%)32 (31) 2 (13) 30 (34)0.108
Diabetes mellitus, n (%)22 (21) 2 (13) 20 (23)0.412
Current smoker, n (%)8 (8) 2 (13) 6 (7)0.384
Underlying diseases
 Stroke/transient ischemic attack, n (%)6 (6) 0 (0) 6 (7)0.297
 Liver cirrhosis, n (%)2 (2) 0 (0) 2 (2)0.555
 Chronic renal failure, n (%)7 (7) 0 (0) 7 (8)0.258
 Malignancy, n (%)18 (17) 0 (0) 18 (20)0.054
Clinical presentation
 Chest pain, n (%)50 (49)13 (87)37 (42)0.001*
 Dyspnea, n (%)54 (52)9 (60)45 (51)0.525
 Palpitation, n (%)9 (9)4 (27)5 (6)0.008*
 Loss of consciousness, n (%)1 (1)0 (0)1 (1)0.678
 Nausea/vomiting, n (%)10 (10)0 (0)10 (11)0.169
 Cardiogenic shock, n (%)32 (31)1 (7)31 (35)0.027*
 Pulmonary edema, n (%)42 (41)6 (40)36 (41)0.947

Presented as median (interquartile range). *Significant finding.