Table 1 Demographics and clinical characteristics of the peritoneal dialysis patients and healthy controls

Age (years)

54 (46–64)

52 (45–61)

0.52

Gender (%)

 Male

35 (56.5%)

29 (51.8%)

0.71

 Female

27 (43.5%)

27 (48.2%)

BMI (kg/m²)

22 (20–27)

23 (20–28)

0.17

Systolic blood pressure (mmHg)

142 (132–156)

126 (109–134)

0.03

Diastolic blood pressure (mmHg)

86 (75–102)

75 (69–86)

0.02

Dialysis duration (months)

27 (19–39)

–

–

Diabetes mellitus (%)

17 (27.4%)

11 (19.6%)

0.39

Cardiovascular disease (%)

14 (22.6%)

7 (12.5%)

0.23

Primary kidney disease (%)

 Diabetic nephropathy

15 (24.2%)

–

–

 Hypertensive nephropathy

6 (9.7%)

–

 Chronic glomerulonephritis

30 (48.4%)

–

 Others

11 (17.7%)

–

Serum albumin (g/L)

31 (26–38)

44 (39–51)

0.004

Triglycerides (mmol/L)

2.4 (1.9–3.2)

1.3 (0.9–2.1)

0.02

Cholesterol (mmol/L)

4.8 (3.6–5.4)

3.9 (3.2–4.7)

0.09

MCV (fL)

80.6 (73.2–84.9)

89.4 (82.8–97.3)

0.005

Hematocrit (%)

37.6 (33.7–41.3)

43.8 (40.5–46.1)

0.01