Ecker found there was a correlation between the severity of a person's autism and the amount of structural difference observed in their brain scans, compared with the control group.

艾克尔发现，与正常控制组相比，一个人自闭症症状的严重程度与大脑扫描中观察到的结构差异的多少存在相关性。

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Results the study group parents of preoperative, postoperative and related knowledge on nursing job satisfaction than the control group, the difference was statistically significant ( P < 0.01 ).

结果研究组患儿家长对术前、术后相关知识掌握以及对护理工作满意度方面优于对照组，差异有统计学意义（P＜0.01）。

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Results The success rate, the patients'tolerance and the average insertion time of background music group is superior to the control group, the difference was significant.

结果背景音乐组的肠镜检查成功率、患者耐受性和平均插镜时间均优于对照组，差异有统计学意义。

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Although full results are not known, Celgene announced in its second-quarter earnings release Thursday that the study had been stopped ahead of schedule because the difference between patients getting Revlimid and those on a control group was already apparent.

FORBES: Inside Medicine

In the jet lag period immediately following the time difference, they had trouble learning simple tasks that a control group easily mastered.

FORBES: Why Holiday Travel Makes You Dumb

The study didn't find any difference in disease progression a year after treatment between those taking lithium and the control group, researchers said.

WSJ: ALS Study Falls Short, But Use of Social Media Holds Promise