Clinical Study

Low-Protein Diet Supplemented with Keto Acids Is Associated with Suppression of Small-Solute Peritoneal Transport Rate in Peritoneal Dialysis Patients

Table 1

Baseline data of the 53 PD patients, grouped according to the diet that they asre randomized to.

Group LP ( )Group sLP ( )Group HP ( )

Age (year)52.5 ± 13.756.3 ± 11.550.4 ± 12.3
Gender (male : female)6 : 129 : 910 : 7
Diabetic nephropathy (yes/no)1/171/171/16
BMI (kg/m2)21.1 ± 2.122.3 ± 3.022.2 ± 3.3
Height (cm)161.8 ± 8.1163.7 ± 7.7164.2 ± 6.1
Kt/Vtotal 2.4 ± 0.62.2 ± 0.32.4 ± 0.4
PD duration (month)5.6 (1.3–14.2)11.8 (3.8–20.9)5.5 (1.3–14.2)
Urine protein (g/d)0.7 (0.4–1.5)0.7 (0.5–1.3)1.0 (0.4–1.4)
Urine volume (ml/d)1444 ± 4601153 ± 4091208 ± 378
e-GFR (ml/min/1.73 m2)4.3 ± 2.43.7 ± 2.24.5 ± 2.4
Ultrafiltrational volume (mL/d)0 (−240, 200)130 (70, 610)300 (−150, 425)
Serum CRP (mg/l)3.0 (1.0–4.2)7.8 (3.0–15.0)*3.1 (2.8–6.4)
Serum albumin (g/l)36.1 ± 3.237.4 ± 4.238.3 ± 2.8

Note: * , compared with group LP. PD: peritoneal dialysis; BMI: body mass index; e-GFR: estimated glomerular filtration rate, calculated as an average of the creatinine and urea clearances by 24-hour urine; CRP: C-reactive protein.