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Copyright of Journal of Frontiers of Computer Science & Technology 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.)

目的　探讨血清骨形态发生蛋白-9 (BMP-9), 过氧化物酶体增殖物激活受体γ共激活因子-1α (PGC-1α), 骨特异性碱性磷酸酶 (BSAP) 水平与创伤性骨折延迟愈合的关系. 方法　选取创伤性骨折术后延迟愈合患者71例 为延迟愈合组，按1∶1病例对照形式选取创伤性骨折术后正常愈合患者71例为正常愈合组. 采用酶联免疫吸附法 检测血清BMP-9、PGC-1α、BSAP. 采用多因素Logistic回归分析影响创伤性骨折愈合的因素，采用受试者工作特征 (ROC) 曲线分析血清 BMP-9、PGC-1α、BSAP水平对创伤性骨折延迟愈合的预测价值. 结果　与正常愈合组比较， 延迟愈合组血清 BMP-9、PGC-1α、BSAP 水平降低 (P 均<0. 05) . 多因素 Logistic 回归分析显示，年龄增加 (OR= 1. 097，95%CI：1. 020～1. 180), 糖尿病 (OR=2. 121，95%CI：1. 078～4. 173), 骨质疏松症 (OR=3. 933，95%CI：1. 242～ 12. 451) 为影响创伤性骨折愈合的独立危险因素，BMP-9 (OR=0. 950，95%CI：0. 919～0. 981), PGC-1α (OR=0. 969， 95%CI：0. 954～0. 983), BSAP (OR=0. 837，95%CI：0. 750～0. 935) 升高为独立保护因素 (P 均<0. 05) . ROC 曲线分 析显示，血清BMP-9、PGC-1α、BSAP水平联合预测创伤性骨折延迟愈合的曲线下面积为0. 928，大于BMP-9、PGC-1α、 BSAP 单独预测的 0. 778、0. 791、0. 788 (P 均<0. 05) . 结论　血清 BMP-9、PGC-1α、BSAP 水平降低与创伤性骨折术 后延迟愈合密切相关，血清BMP-9、PGC-1α、BSAP水平联合对创伤性骨折术后延迟愈合有较高的预测价值. [ABSTRACT FROM AUTHOR]

Copyright of Acta Agriculturae Zhejiangensis is the property of Acta Agriculturae Zhejiangensis Editorial Office 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 Geomatics & Information Science of Wuhan University is the property of Geomatics & Information Science of Wuhan University 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 Geomatics & Information Science of Wuhan University is the property of Geomatics & Information Science of Wuhan University 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 Geomatics & Information Science of Wuhan University is the property of Geomatics & Information Science of Wuhan University 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.)