This shortfall in compliance has been due mainly to dietary restrictions that are necessary with guaiac-based tests as well as for esthetic reasons associated with stool-specimen collection.

• 这种依从性较低主要是由于传统粪便隐血试验需要饮食限制（使用愈创木脂法检测所必须的）以及收集粪便样本时候感官上不舒服。