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Bone Turnover Markers in Men and Women with Impaired Fasting Glucose and Diabetes

journal contribution
posted on 15.06.2019, 00:00 authored by K L Holloway-Kew, Leila DeAbreu, Mark KotowiczMark Kotowicz, M A Sajjad, Julie PascoJulie Pasco
Bone turnover markers (BTMs) are reduced in diabetes, but whether BTM changes occur in impaired fasting glucose (IFG) is unknown. The aim of this study was to investigate whether BTMs are altered in IFG and diabetes compared to normoglycaemia. For men and women (n = 2222) in the Geelong Osteoporosis Study, IFG was defined as fasting plasma glucose (FPG) 5.5–6.9 mmol/L and diabetes as FPG ≥ 7.0 mmol/L, use of antihyperglycemic medication and/or self-report. Serum C-terminal telopeptide (CTx) and procollagen type 1 N-terminal propeptide (P1NP) were measured. After natural log transformation to normalise the data, multivariable regression was used to examine the relationship between glycaemia status and bone turnover markers (BTMs), before and after adjusting for other confounders. There were 643 men and 682 women with normoglycaemia, 355 men and 391 women with IFG and 97 men and 54 women with diabetes. Men with IFG or diabetes had lower adjusted ln(CTx) and ln(P1NP) compared to normoglycaemia (all p < 0.05). Women with IFG or diabetes had lower adjusted ln(CTx) and ln(P1NP) (all p < 0.05) except for ln(P1NP) when comparing diabetes with normoglycaemia, which showed a trend for lower ln(P1NP) (p = 0.053). In both sexes, an age * glycaemia interaction term indicated between-group differences in BTMs diminished with increasing age. No other confounders were identified. Bone turnover was lower in those with either IFG or diabetes compared to normoglycaemia.

History

Journal

Calcified Tissue International

Volume

104

Issue

6

Pagination

599 - 604

Publisher

Springer New York LLC

Location

New York, N.Y.

ISSN

0171-967X

eISSN

1432-0827

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2019, Springer Science+Business Media, LLC, part of Springer Nature