Research Article

Serum PTH Associated with Malnutrition Determined by Bioelectrical Impedance Technology in Chronic Kidney Disease Patients

Table 2

Nutritional indicators of different CKD stage groups.

Total, n = 205CKD1/2, n = 25CKD3/4, n = 78CKD5A,  n= 31CKD5B, n = 71 value

Total Nutritional Indicators
 weight, kg68.6 (58.1, 77.95)73.1 (58.1, 83.75)72.8 (61.95, 79.13)68.5 (58, 78.1)63.9 (53.3, 70.8)!,$0.001
 PA, °, mean ± SD5.02 ± 1.075.37 ±1.225.14 ± 1.055.15 ± 0.884.72 ± 1.07!,$0.02
 Low PA, n (%)70 (34.1%)5 (20%)23 (29.5%)10 (32.3%)32 (45.1%)0.079
 Body cell mass, kg, median (IQR)31.9 (26.2, 35.6)34.4 (29.4, 40.05)32.7 (26.78, 36.75)30.6 (25.6, 37)29.6 (25.8, 33.9)!0.025
 Protein, kg, median (IQR)9.6 (7.9, 10.8)10.4 (8.85, 12.1)9.9 (8.1, 11.1)9.2 (7.7, 11.2)9 (7.7, 10.2)!0.024
 Basal metabolic rate, kcal, median (IQR)1429 (1255.5, 1563)1502 (1338, 1685)1458.5 (1269.75, 1577.75)1378 (1215, 1604)1355 (1235, 1511)0.038
Fat Indicators
 Percent body fat, %, mean ± SD27.74 ± 8.826.86 ± 10.4829.35 ± .8428.46 ± 8.6525.97 ± 9.030.113
 Visceral fat area, cm2, median (IQR)84.2 (63.85, 114.45)101.2 (50.95, 133.85)86.5 (73.95, 125.6)83.9 (56.4, 113.5)78.2 (55.1, 107.8)0.235
 Body fat mass, kg, mean ± SD19.38 ± 8.220.57 ± 10.4820.94 ± 7.1419.42 ± 6.7517.23 ± 8.66$0.04
Muscle Indicators
 Fat free mass, kg, median (IQR)49 (40.95, 55.25)52.4 (44.8, 60.9)50.4 (41.68, 55.9)46.6 (39.1, 57.1)45.6 (40, 52.8)0.037
 Soft lean mass, kg, median (IQR)46.2 (38.5, 52.05)49.8 (42.45, 57.35)47.6 (39.08, 52.95)44 (36.9, 53.9)43.1 (37.7, 50.1)0.04
 Skeletal muscle mass, kg, median (IQR)27 (21.9, 30.4)29.3 (24.75, 34.45)27.8 (22.38, 31.45)25.9 (21.3, 31.7)24.9 (21.5, 28.9)!0.024

IQR, interquartile range; PA, phase angle; ! between CKD1/2 and CKD5B; $ between CKD3/4 and CKD5B.