228例住院老年患者跌倒后生存状况及死亡危险因素的COX回归分析
许敏铮, 夏丽莉
COX Regression Analysis of Survival and Risk Factors of Death after Falling in Elderly Inpatients： A 228-case Study
XU Min-zheng, XIA Li-li
护理学报
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2022, (7): 63
-68
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DOI: 10.16460/j.issn1008-9969.2022.07.063