Table 1 Baseline characteristics (n = 311)

Age, years

63 ± 12

Male, gender (%)

260 (83.6)

Height, cm

167 ± 34.2

Weight, kg

66.4 ± 12.5

BMI, kg/m2

24.1 ± 3.9

BP, mmHg

    Systolic

137 ± 27

    Diastolic

78 ± 17

    Mean

98 ± 19

K on admission, mmol/L

4.1 ± 0.4

K at discharge, mmol/L

4.4 ± 0.4

eGFR, mL/min/1.73m2

71.1 ± 22.6

    Cr, mg/dL

0.9 ± 0.3

HbA1c, %

6.0 ± 1.2

Glucose, mg/dL

155 ± 68

BNP, pg/mL

144 ± 317

LVEF, %

54 ± 10.9

Time of hospital stay, days

12.3 ± 9.9

Myocardial infarction (%)

188 (60.5)

Unstable angina (%)

123 (39.5)

Diabetes mellitus (%)

122 (39.2)

Hypertension (%)

212 (68.2)