• Xiao Chen, Binbin He, Youliang Zhou, Xinguo Zhang, and Liang Zhao.
• Department of TCM Orthopedics, Shenzhen Hospital of Guangzhou University of Chinese Medicine (Futian), Shenzhen, P.R. China.
• Medicine (Baltimore). 2023 Mar 31; 102 (13): e33342e33342.

AbstractTo assess the coexistence effect between history of fractures and hypertension on the all-cause death risk of osteoporosis. In this retrospective cohort study, some characteristics of osteoporosis patients aged ≥ 20 years were extracted from the National Health and Nutrition Examination Survey (NHANES) database (2005-2010, 2013-2014), such as age, gender, smoking, drinking, the history of diabetes, cardiovascular and cerebrovascular diseases, fractures and hypertension. The outcome of this study was defined as all-cause death of osteoporosis. These patients were followed up until 2015 with an average follow-up time of 62.00 ± 34.79 months. Univariate and multivariate logistic regression was utilized to evaluate the association of history of fractures and hypertension on all-cause death risk of osteoporosis, respectively. The death risk factors were presented by using relative risk (RR) and 95% confidence interval (CI). The attributable proportion (AP) to explore the interaction between history of fractures and hypertension on the all-cause death risk of osteoporosis. Of the total 801 osteoporosis patients, 227 died. After adjusting age, gender, marital status, education background, annual household income, diabetes, the prior use of prednisone or cortisone medication, cardiovascular and cerebrovascular diseases, the history of fractures (RR = 1.502, 95% CI: 1.035-2.180), spine fracture (RR = 2.944, 95% CI: 1.244-6.967), hip fracture (RR = 2.033, 95% CI: 1.066-3.875) was significantly associated with the increased death risk of osteoporosis. However, there was no significant difference between hypertension and the all-cause death risk of osteoporosis (P > .05). Additionally, there was a significant interaction between the history of fractures and hypertension on the all-cause death risk of osteoporosis, and the interaction was an enhancement effect (AP = 0.456, 95% CI: 0.005-0.906). The co-existence of the history of fractures and hypertension could increase the all-cause death risk of osteoporosis, which indicated that osteoporosis patients with the history of fractures should actively monitor blood pressure levels and prevent the occurrence of hypertension.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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