however by cox multivariate analysis cox模型多因素分析
cox model multivariate analysis cox模型多因素分析
cox multivariate model analysis cox模型多因素分析
cox multivariate regression analysis cox回归分析
multivariate cox analysis cox多因素分析
multivariate cox model analysis cox模型分析
multivariate cox regression analysis 多变量回归分析
cox s model multivariate analysis cox模型多因素分析
multivariate analysis cox model cox模型多因素分析
The incidence of loss to follow-up was calculated using Kaplan–Meier methods and factors associated with loss to follow-up were identified by logistic and Cox multivariate regression analysis.
追踪损失发生率利用Kaplan - Meier方法加以计算，而追踪损失的相关因素则利用logistic回归分析和Cox多元回归分析加以确定。
Multivariate analysis was done by COX proportional hazard model.
多因素分析：COX比例风险模型。
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