Osteoporosis, osteoporotic fractures, and carotid artery calcification detected on panoramic radiographs in Japanese men and women

Publication date: Available online 23 February 2016
Source:Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
Author(s): Yae Iwamoto, Keiichi Uchida, Noriyuki Sugino, Hiroko Kuroiwa, Yutaka Kitamura, Nobuyuki Udagawa, Atsushi Shinohara, Yukihito Higashi, Akira Taguchi
ObjectivesWe investigated the association among diagnosed osteoporosis, osteoporotic fractures, and carotid artery calcification (CAC) detected on panoramic radiographs. Additionally, we assessed whether osteoporosis or fractures could be predicted by an incidental finding of CAC.Study DesignOne thousand and twenty-one subjects participated in this study. Subjects completed a structured questionnaire. Logistic regression analysis adjusted for covariates was used to calculate the odds ratio (95% confidence interval) for diagnosed osteoporosis or fractures according to the presence of CAC. Extended receiver operating characteristic (ROC) curve analysis was used to clarify whether osteoporosis or fractures were predicted by the detection of CAC.ResultsThe odds ratios for diagnosed osteoporosis or fracture associated with CAC were 1.82 (1.02–3.24) and 0.77 (0.33–1.77), respectively. The areas under the ROC curves for identifying subjects with osteoporosis or fractures according to the detection of CAC were 0.54 and 0.50, respectively.ConclusionsCAC may not be useful for identifying Japanese individuals with osteoporosis or those at risk of fracture, although the presence of CAC was significantly associated with a history of diagnosed osteoporosis without osteoporotic fractures.

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