Statistical significant difference 统计上的显着差异
Result: There was no significant statistical difference in the degree of improvement among 3 kinds of treatments.
结果：三组治疗后症状均有改善，但症状改善的幅度并无显著性差异。
The blood lead level of children having bad habits of diet and behavior was higher than that of not having bad habits, but there had no significant statistical difference(both P>0.05).
有不良饮食、行为习惯的儿童血铅水平高于无不良习惯的儿童血铅水平，但差异无统计学意义（均P>0.05）。
Results Significant difference between the two groups of patients (P<0.01), with statistical significance.
结果两组患者疗效比较，差异有统计学意义（P〈0．01）。
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