Journalartikel

Jahr der Veröffentlichung: 2004

Seiten: 479-488

Zeitschrift: Biomarkers

Bandnummer: 9

Heftnummer: 6

ISSN: 1354-750X

eISSN: 1366-5804

DOI Link: https://doi.org/10.1080/13547500400026862

Verlag: Taylor and Francis Group

Abstract: 
The significance of a multiparametric classification approach of vitamin K is analysed to differentiate premenopausal ( CTRL), postmenopausal non-osteoporotic (nOSP) and osteoporotic (OSP) women. Data records of women between 28 and 74 years of age were used for evaluation. Bone mineral density was determined by quantitative computed tomography of the lumbar spine using the T-score to diagnose osteoporosis. Vitamin K and biochemical markers of bone formation and resorption-alkaline phosphatase (AP), bone alkaline phosphatase (bAP), osteocalcin (OC), undercarboxylated osteocalcin (ucOC), procollagen type I carboxyterminal propeptide ( PICP), pyridinoline (PYD), deoxypyridinoline (DPD), N-terminal cross-linked telopeptide of type I collagen (NTx) and bone sialo protein (BSP)-were analysed in all women on days 1 and 42. Vitamin K was significantly lower in the OSP group versus nOSP and CTRL. The odds ratio results revealed the following: vitamin K, 16.7; PYD, 7.5; NTx, 6.0; DPD, 2.7; and ucOC, 2.7. Vitamin K represented a sensitivity rate of 64% and a specificity rate of 82%. In the receiver operating curve analysis, vitamin K reached the highest area under curve (AUC) score. The combination of vitamin K and AP, bAP and PYD resulted in increased AUC scores (> 0.9). The parameter combination of vitamin K/PYD and vitamin K/bAP demonstrated a sensitivity rate of 75-88%, with a specificity rate of more than 82%. The data suggests that a combination of vitamin K with other biochemical bone indices might be a useful tool for assessing bone metabolism, especially in metabolic bone diseases such as osteoporosis.

Harvard-Zitierstil: Heiss, C., Hoesel, L., Wehr, U., Keller, T., Horas, U., Meyer, C., et al. (2004) Vitamin K in combination with other biochemical markers to diagnose osteoporosis, Biomarkers, 9(6), pp. 479-488. https://doi.org/10.1080/13547500400026862

APA-Zitierstil: Heiss, C., Hoesel, L., Wehr, U., Keller, T., Horas, U., Meyer, C., Rambeck, W., & Schnettler, R. (2004). Vitamin K in combination with other biochemical markers to diagnose osteoporosis. Biomarkers. 9(6), 479-488. https://doi.org/10.1080/13547500400026862