Table 2. Subclinical characteristics: analyses, electrocardiography, and imaging

Variables	All(n=103)	Survived(n=85)	Death(n=18)	p-value
Analytical results
Creatinine (mg/dL)	1.0 (0.8–1.3)	1.0 (0.8–1.3)	1.1 (0.9–1.5)	0.623
eGFR (mL/min per 1.73 m2)	63.3±28.0	64.9±27.6	55.5±29.4	0.207
Sodium (mmol/L)	135.0 (131.0–138.0	135.0 (131.0–138.0)	133.0 (129.0–138.0)	0.385
Potassium (mmol/L)	3.7 (3.3–4.1)	3.7 (3.3–4.1)	3.6 (3.4–4.5)	0.660
AST (U/L)	44.0 (27.0–68.5)	44.0 (29.0–68.5)	41.0 (26.0–72.5)	0.679
ALT (U/L)	27.0 (15.5–51.0)	28.0 (15.5–49.5)	24.5 (15.8–57.3)	0.873
CRP (mg/L) (n=80)	28.1 (5.8–150.5)	21.5 (5.2–145.3)	119.1 (23.4–215.8)	0.048
PCT (ng/mL) (n=66)	0.9 (0.3–3.7)	1.0 (0.3–3.9)	0.8 (0.4–2.0)	0.795
Hgb (g/L)	122.1±22.9	122.7±20.6	119.1±32.2	0.555
WBC (G/L)	11.9 (8.1–16.5)	11.9 (8.1–17.0)	13.1 (7.3–14.6)	0.829
PLT (G/L)	273.2±122.2	268.8±115.8	295.5±152.8	0.482
hs Tn T (ng/L) (n=100)	224.0 (61.8–655.0)	214.0 (61.6–563.3)	297.0 (58.4–1,678.5)	0.554
NT-proBNP (ng/L) (n=87)	3,511.0 (509.0–14,015.0)	3,550.0 (467.8–12,244.5)	1,886 (575.0–33,586.0)	0.566
Electrocardiography (n=86)
Atrial fibrillation (n [%])	11 (12.8)	7 (9.5)	4 (33.3)	0.043
Ventricular arrhythmia (n [%])	15 (17.6)	13 (17.6)	2 (16.7)	0.939
ST elevation (n [%])	35 (41.2)	29 (39.2)	6 (54.5)	0.334
ST depression (n [%])	16 (18.6)	15 (20.2)	1 (8.3)	0.450
T-wave changes (n [%])	23 (28.4)	21 (30.0)	2 (18.2)	0.720
Site of wall motion abnormalities in echocardiography (n=87)
Apical type (n [%])	73 (84.9)	62 (82.7)	11 (91.7)	0.431
Basal type (n [%])	3 (3.4)	3 (4.0)	0 (0.0)	1.000
Midventricular type (n [%])	6 (6.9)	6 (8.0)	0 (0.0)	0.590
Others (n [%])	18 (18.8)	17 (22.7)	1 (8.3)	0.446
EF (%)	40.9±12.9	40.7±12.5	41.5±15.7	0.862
Coronary angiography (n=76)
Normal (n [%])	46 (60.5)	41 (62.1)	5 (50.0)	0.034
Insignificant stenosis (n [%])	22 (28.9)	20 (30.3)	2 (20.0)
Significant stenosis (n [%])	8 (10.5)	5 (7.6)	3 (30.0)

eGFR, estimated glomerular filtration rate; AST, aspartate transaminase; ALT, alanine transaminase; CRP, C-reactive protein; PCT, procalcitonin; Hgb, hemoglobin; WBC, white blood cell; PLT, platelet; hs TnT, high-sensitivity troponin T; NT-proBNP, N-terminal pro-B-type natriuretic peptide; EF, ejection fraction.