There was a marked difference between the positive rate of the ventricular late potentials(VLP) in COPD group and control group( P< 0.01).
COPD组与对照组心室晚电位（VLP）阳性率比较有显著性差异（P＜0．01）。
METHODS: a randomized, positive control, the 233 cases were divided into treatment group (116 cases) and drug group (117 cases).
方法：采用随机、阳性药物对照、将233例分为治疗组(116例)和药物组(117例)。
But in control group, positive rate was only less than 5%, and we could only see a single normal DNA strip.
对照细胞呈现阳性染色者每视野不超过5%，DNA凝胶电泳只见一条正常基因组dna带。
Compared with those of the control group, Carvedilol had a positive effect significantly in the treatment group.
二组比较有明显差异，治疗组作用优于对照组。
Bcl-2 expression score showed that a strong positive expression happened in LN group but a weak expression in the control group.
免疫组化评分显示层粘连蛋白组有强阳性表达，正常对照组有弱阳性表达；
The control group with low training group all the same high speed training, but the training time was reduced, the rats in various heights and physiological indicators show a positive change.
对照组与低训组各个高度的训练速度相同，只是在训练时间上有所减少，但大鼠在不同高度的生理指标呈现良性的变化。
Results: There was a significant difference between prior-treatment and posttreatment, both in treatment group and positive control group (P0.05).
结果：治疗组在第一次排便后、第二次排便后各时点治疗前后疗效比较，经非参数检验，差异极其显著（P0.05）。
Results: There was a significant difference between prior-treatment and posttreatment, both in treatment group and positive control group (P0.05).
结果：治疗组在第一次排便后、第二次排便后各时点治疗前后疗效比较，经非参数检验，差异极其显著（P0.05）。
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