Association between the Geriatric Nutritional Risk Index, bone mineral density and osteoporosis in type 2 diabetes
Liang Wang1, Die Zhang2, Jing Xu1
1Diabetes Center, Department of Endocrinology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.
Aims/Introduction:
Low bodyweight and hypoalbuminemia are independently associated with osteoporosis. In this study, the relationship among the Geriatric Nutritional Risk Index (GNRI), bone mineral density (BMD) and osteoporosis in type 2 diabetes mellitus patients was explored, and the GNRI predictive value was evaluated.
Materials And Methods:
We enrolled 225 men and 192 women with type 2 diabetes mellitus. Their general condition, and laboratory and BMD data were collected. Spearman's partial correlation analysis adjusting for age, body mass index and albumin was used for exploring the association among the GNRI, BMD and bone metabolism markers. Statistical analyses, including multivariate regression analysis and receiver operating characteristic curve analysis, were also applied in this study.
Results:
On Spearman's partial correlation analysis, GNRI was positively associated with BMD and albumin-corrected calcium (r = 0.145-0.561, P < 0.01). For the multivariate regression analysis, we observed that the GNRI was dramatically related to high total lumbar, total hip, femur neck BMD and osteoporosis (odds ratio 0.857 for men and 0.927 for women, all P < 0.05). The area under the receiver operating characteristic curve of the GNRI (0.876 for men and 0.704 for women, all P < 0.01) was the largest compared with that of albumin and body mass index in osteoporosis prediction.
Conclusions:
In this study, it was shown that the GNRI was positively correlated with BMD, and inversely correlated with osteoporosis in type 2 diabetes mellitus patients. In addition, compared with body mass index, albumin and age, the GNRI was a more powerful indicator for osteoporosis.
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