Disease Markers

Disease Markers / 2012 / Article

Open Access

Volume 33 |Article ID 734718 | 7 pages | https://doi.org/10.3233/DMA-2012-0925

Urinary Chiro- and Myo-Inositol Levels as a Biological Marker for Type 2 Diabetes Mellitus

Received03 Sep 2012
Accepted03 Sep 2012


Background: The aim of this study was to investigate the role of the urinary chiro- and myo-inositol levels in predicting type 2 diabetes mellitus (T2DM).Subjects and methods: A total of 212 normal controls and 101 type 2 diabetic patients were enrolled this study. The concentrations of urinary chiro- and myo-inositol were measured by high performance liquid chromatography/mass spectrometry.Results: The concentration of urinary chiro-inositol was significantly higher in the diabetic subjects (2.24 ± 5.18 ng/L) than those in the control group (0.38 ± 0.62 ng/L; p < 0.001). The urinary myo-inositol level of the diabetic subjects (36.95 ± 37.77 ng/L) was also significantly higher than that of the controls (8.17 ± 13.29 ng/L; p < 0.001). The urinary chiro-inositol multiplied by myo-inositol level of the diabetic subjects (148.10 ± 544.91) was significantly higher than in the controls (5.12 ± 24.15; p < 0.001). The area under the receiver operating characteristic curve for the urinary chiro-inositol multiplied by myo-inositol level to predict T2DM was 0.840 (confidence interval 0.789–0.891, p < 0.001). The cut-off value for the urinary chiro-inositol multiplied by myo-inositol level to predict T2DM was 2.20 (sensitivity 81.3%, specificity 70.3%).Conclusions: The urinary chiro- and myo-inositol concentrations were increased in the type 2 diabetic patients and the urinary chiro- times the myo-inositol was considered to be a sufficient marker in predicting T2DM.

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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