Results of univariate and multivariate Cox proportional hazards model reported as hazard ratios (95% Confidence Interval) using status (alive) and follow up time (years) as the outcome of interest.

Results of univariate and multivariate Cox proportional hazards model reported as hazard ratios (95% Confidence Interval) using status (alive) and follow up time (years) as the outcome of interest.以存活状态与随访时间（年）作为关注的结局指标，单变量及多变量Cox比例风险模型的分析结果以风险比（95%置信区间）形式进行报告。