Skip to main content
. Author manuscript; available in PMC: 2016 Aug 8.
Published in final edited form as: Ren Fail. 2014 Jan 28;36(4):546–551. doi: 10.3109/0886022X.2013.876351

Table 1.

Distribution of Covariates Stratified by BMI and the Presence of Diabetes Mellitus

Non-Diabetics (n=65) Diabetics N=33 Overall Comparison Other Comparisons

Variable Obese Non-Obese Obese Non-Obese P-value P-value
Demographics
    Age (years) 44 ± 11 47 ± 13 55 ± 12 54 ± 12 0.02 A
    Males (%) 63 82 43 67 R

Clinical Characteristics
    KT/V 1.5 ± 0.2 1.6 ± 0.2 1.6 ± 0.3 1.6 ± 0.2 0.2
    Albumin (g/dL) 4 (3.9, 4.3) 4 (3.8, 4.3) 3.9 (3.6, 4) 3.9 (3.6, 4.2) 0.2 A
    Prealbumin (mg/dL) 40 (33, 47) 39 (30, 47) 36 (30, 40) 34 (27, 42) 0.3
    Creatinine (mg/dL) 10.3 ± 2.9 8.8 ± 2.8 7.4 ± 2.6 8.2 ± 2.9 0.1 A,C
    Intact PTH (pg/mL) 446 (272, 842) 344 (191, 470) 355 (260, 684) 470 (240, 835) 0.3
    Bicarbonate (mg/dL) 25 ± 4 25 ± 4 25 ± 4 27 ± 4 0.3

Metabolic Biomarkers
    hsCRP (mg/dL) 9.3 (5.7,14.8) 3.9 (2.2, 8.6) 13.2 (4.9, 17.65) 6.75 (5.2, 18) 0.01 A,B,C
    Interleukin-6 (pg/ml) 6.2 (4.5, 16.3) 5.4 (2.8, 13.7) 14 (8.9, 18.5) 9.8 (6.7, 16.9) 0.08 A, C
    Protein thiols (μmol/mL) 280 ± 59 254 ± 19 230 ± 36 196 ± 10* 0.03 A,C
    Leptin (ng/ml) 50.3 (16.4, 71.51) 6.4 (2.68, 9.9) 67.4 (20.9, 99.6) 12.8 (6.3, 21.31) 0.001 B
    Adiponectin (μg/ml) 12 (8.3, 23.3) 37.7 (23.7, 57.4) 40.2 (18.8, 61.6) 16.55 (9.8, 90.3) 0.001 B

Body Composition
    BMI (kg/m2) 36 ±4.8 24 ± 2.7 39 ± 7.0 27 ± 1.8 0.001 A,B,C
    Truncal Tissue Fat (%) 46.3 ± 0.1 28.4 ± 11.1 45 ± 0.1 33.2 ± 0.1 0.001 B
    LBM (kg) 56.5 ±12.1 48.7 ± 7.8 54.5 ± 13.8 50.1 ± 8.5 0.04 B
A

Statistically significant difference between diabetic vs. non diabetic patients

B

Statistically significant difference between obese vs. non-obese patients.

C

Statistically significant difference between diabetic obese vs. non-diabetic obese patients

PTH, parathyroid hormone; BMI, Body Mass Index

There were only 3 patients with protein thiol measurements in the diabetic non obese patients