1. 当categorical NRI和continuous NRI做出来的显著
1. 当categorical NRI和continuous NRI做出来的显著性相悖的时候，应该怎么解释/处理呢？ 2. categorical NRI的risk classes除了通过文献获取外，是否能通过统计方法得到，我看到一篇文献里说risk classes for categorical NRI were defined according to the MACE rates obtained by grouping the present cohort into GLS quintiles，但是文中没有详述是怎么做的