J Korean Soc Spine Surg. 2016 Sep;23(3):160-165. Korean.
Published online Sep 30, 2016.
© Copyright 2016 Korean Society of Spine Surgery
Original Article

Association Between Osteoporotic Vertebral Fracture and Body Mass Index

Hyun Tae Kim, M.D. and Hyeong Yeon Seo, M.D.
    • Department of Orthopedic Surgery, Chonnam National University Hospital, Gwangju, Korea.
Received February 10, 2016; Revised February 23, 2016; Accepted August 08, 2016.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Study Design

Retrospective study.

Objectives

Whether osteoporotic vertebral fracture is associated with obesity is under debate. Therefore, this study aims to determine the relationship between osteoporotic vertebral fracture and body mass index (BMI) by comparing it with other types of osteoporotic fractures.

Summary of Literature Review

Several authors have reported the factors that predict the risk of osteoporotic vertebral fracture in individuals with obesity, but the objective risk factors are still controversial.

Materials and Methods

A retrospective study was conducted on postmenopausal women, including 100 people with osteoporotic vertebral fractures, 104 with femur neck fractures, 107 with distal radius fractures, and 103 with osteoporosis or osteopenia but without fractures. The BMI was calculated and bone mineral density (BMD) test was administered within 3 days after injury. For each type of fracture, the relationships with age, height, weight, BMI, and BMD were investigated. The relationship with the number of osteoporotic vertebral fractures according to BMI was also evaluated.

Results

In comparing osteoporotic vertebral fractures and osteoporotic non-vertebral fractures, there were no significant differences in the relationship with age, height, or BMD (p>0.05). Osteoporotic vertebral fractures showed a statistically higher average weight and BMI, compared to other osteoporotic non-vertebral fracture groups (p<0.05). Among those with osteoporotic vertebral fractures, the number of fractures did not show a significant relationship with BMI (p=0.177).

Conclusions

In osteoporotic vertebral fracture patients, compared to groups with other types of osteoporotic fractures, average weight and BMI were higher.

Keywords
Osteoporosis; Vertebral fracture; Body mass index

Tables

Table 1
Baseline characteristics of 414 postmenopausal women

Table 2
Each distribution in the group according to body mass index

Table 3
Correlation between the number of verteral fracture and bone mass index in the patients with osteoporotic vertebral fracture

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