结果：结肠通过时间检查显示20例患者为出口梗阻型便秘，12例为慢传输型便秘。
Results: Colonic transit time shown in20patients was of outlet obstruction constipation, 12patients were of slow transit type.
结果：慢性功能性便秘患者组全肠道通过时间和结肠分段通过时间均显著高于非便秘患者组（p<0.01）；
Result The total and segmental CTT were significantly longer in the patients with constipation than normal person (P<0.01).
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