Sixty percent of the therapy-only group improved,as did fifty-five percent of the Zoloft-only group.

题目

Sixty percent of the therapy-only group improved,as did fifty-five percent of the Zoloft-only group.
as did 的用法
能分析下语法吗

答案

表示同样,
相当于Sixty percent of the therapy-only group improved.Fifty-five percent of the Zoloft-only group improved,either.