Design Long term follow-up assessed 10-15 years after the original trial.
计划在最初试验后进行10 - 15年的长期随访评估。
The limitation is this is not the original trial, this is a subgroup analysis.
该试验的局限是，这不是原创的试验，而是一个亚组分析。
Two review authors extracted data independently and in duplicate. Original trial authors were contacted for any missing information.
两名综述作者分别独立提取数据，对任何缺少的信息已联系原始试验作者。
Two review authors extracted data independently and in duplicate. Original trial authors were contacted for any missing information.
两名综述作者分别独立提取数据，对任何缺少的信息已联系原始试验作者。
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