It has statistical significance between incidence of high HCY and difference of all types of CHD.

高hcy的发生率与各型冠心病的差异有统计学意义。

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There is difference of dietetic control behaviour between illiteracy and junior high school patients (P<0.05) and the difference has no statistic significance between other education levels.

文盲与初中的患者在饮食控制行为上有差别（P＜0.05），其他文化水平之间差别无统计学意义； 在职与非在职的饮食控制行为有关（P＜0.05）；

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