Table 1.

Characteristics of diabetic patients

Number of patients	73
Gender (male/female)	41/32
Age (years old)	66 ± 13
Duration of diabetes (years)	15.3 ± 7.8
BMI	24.6 ± 4.1
HbA1c (%)	7.3 ± 1.1
Use of ACEI or ARB	28 (38)
Use of CCB	23 (32)
Systolic blood pressure (mmHg)	128 ± 17
Diastolic blood pressure (mmHg)	68 ± 12
Serum creatinine concentration (mg/dl)	0.83 ± 0.32
eGFR (ml/min/1.73 m2)	71.8 ± 23.3
Serum uric acid concentration (mg/dl)	5.3 ± 1.24
Serum Na concentration (mEq/l)	139.2 ± 2.4
Serum K concentration (mEq/l)	4.5 ± 0.6

Abbreviations are shown in the text. Data are expressed as mean ± SD or numbers of patients (percentage)