Group comparison analyses reveal significant age differences and race differences in several EDI scales.

组间比较分析揭示了进食障碍分量表得分的年龄和区域的显著差异。

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This research made use of the static-group comparison design method for use in quasi-experimental research.

本研究采用静态组比较设计方式进行实验研究。

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Objective To evaluate the calculation and report of detection index and the statistics analysis of group comparison in high risk group, a problem of medical science study.

目的探讨医学研究中出现的一类问题，即高危人群检出指标的计算、报告及组间比较的统计学检验的正确性。

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"Using this group as a comparison group takes into account possible genetic or lifestyle factors associated with present or previous psychiatric disorders, " the researcher notes.

CNN: Antidepressant use in pregnancy can affect newborn

This meant we had a good group for comparison.

BBC: Aspirin may 'slow elderly brain decline', study finds

One examined 29 patients with Crohn's disease and found that after six months, 21 were considered remitted. (There wasn't a control group for comparison.) The other was study of 54 patients with ulcerative colitis.

WSJ: In a Squeaky-Clean World, a Worm Might Help Fight Disease