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Copyright of Science Technology & Engineering is the property of Chinese Society of Technology Economics and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Computer Engineering & Applications is the property of Beijing Journal of Computer Engineering & Applications Journal Co Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Science Technology & Engineering is the property of Chinese Society of Technology Economics and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Shanxi Agricultural Sciences is the property of Shanxi Academy of Agricultural Sciences and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Computer Engineering & Applications is the property of Beijing Journal of Computer Engineering & Applications Journal Co Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Shipin Kexue/ Food Science is the property of Food Science Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Food Research & Development is the property of Food Research & Development Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective To explore bone mineral density ( BMD) level and incidence of osteoporosis in elderly male patients with chronic obstructive pulmonary disease ( COPD) ，and to explore the possible association between COPD and OP． Methods Ninety-four elderly male patients over 60 years old who had BMD and pulmonary function examined at the same time in our hospital from January 2013 to September 2017 were selected as the objective ． The BMD values ( lumbar TL2-4 ，femoral neck TNeck，and hip TTotal) were measured using dual energy X-ray absorptiometry ( DEXA) ． The pulmonary ventilation parameters ( FEV1%， FEV1 /FVC%，VC%，MVV%) were measured using a pulmonary function instrument． Independent samples t test or Mann Whitney U test was used to analyze the quantitative data． The qualitative data were analyzed by Chi-square test and multivariate analysis using logistic regression analysis． Ｒesults The BMD values ( TNeck and TTotal) and pulmonary ventilation indexes ( FEV1%，FEV1 /FVC%，VC% and MVV%) were significantly lower in elderly male patients with COPD than those in the control groups，and the differences were statistically significant． The composition ratios of osteoporosis，osteopenia，and normal BMD in elderly male COPD group and the control group were 21. 2%，55. 8%，23. 1% and 9. 5%，42. 9%，47. 6%，respectively． The difference was statistically significant． The influencing factors of COPD in the elderly male patients were height，body weight，BMI index，TNeck，and FEV1 /FVC%． Conclusion BMD of the femoral neck and hip in elderly male patients with COPD is significantly lower than that in the control group． The incidence of osteoporosis is significantly higher than that in the control group．The higher the BMD of the femoral neck，the lower the risk of COPD． [ABSTRACT FROM AUTHOR]