Table 1. Demography, nutritional condition, renal function, and acid-base status in the study subjectsa

Groupn M/FAge (yr)BMI (kg/m2)Energy Intake (Kcal/kg/d)Protein Intake (g/kg/d)BUN (mg/dl)Cr (mg/dl)pHpCO2 (mmHg)Total CO2 (mmol/L)
a B-HD, HD, and N represent, respectively, predialysis, hemodialysis patients, and normal subjects. BMI, body mass index. P values were derived from one-way ANOVA and t test.
B-HD6/345.9 ± 5.327.9 ± 1.630.7 ± 1.70.89 ± 0.0583 ± 6.810.2 ± 0.97.36 ± 0.0141 ± 1.624 ± 1.1
HD5/247.3 ± 6.826.4 ± 1.233.5 ± 2.50.92 ± 0.0753 ± 5.78.4 ± 0.37.44 ± 0.0146 ± 1.231 ± 1.1
N4/250.3 ± 4.527.4 ± 0.532.5 ± 1.31.01 ± 0.05
P0.860.710.570.350.0060.100.00030.0850.0003