试验参与者通常将会被随机分配到标准治疗组或者是新治疗组(称之为随机分组)。
A participant will usually be assigned to the standard group or the new group at random (called randomization).
背景一项为期24周的前瞻性干预试验对开放性十二指肠-空肠旷置术(GJB)与配对对照组标准药物治疗的效果进行比较。
Background a 24-week interventional prospective trial was performed to compare the benefits of open duodenal-jejunal exclusion surgery (GJB) with a matched control group on standard medical care.
在符合选择标准的所有42个至少24个星期时间的后续实验，试验采用随机对照组，有效的心梗与心血管死亡数据。
In all, 42 trials met the inclusion criteria of a follow-up period of at least 24 weeks, the use of a randomized control group, and the availability of outcome data on mi and cardiovascular death.
分三组进行试验，以第二组作为对照标准。
The tests were given to three groups, group Two being used as a control.
其中以粉煤灰50%、硅灰10%取代普通硅酸盐水泥的试验组，无论是试验室标准养护或是加速老化试验都表现出最优的耐久性。
Among which the experiment group using 50% fly ash, 10% silica fume instead of ordinary Portland cement shows rather better durability either in standard curing or the accelerated aging experiment.
结果：共有47例完成了试验，其中喷昔洛韦组23例，1例不符合纳入标准。阿昔洛韦组24例。
RESULTS: Totally 47 patients finished the trial, 23 in the trial group, among which 1 was not accordant with the inclusion criteria, and 24 in the control group.
方法按标准选取重型颅脑损伤病人80例，并随机分成对照组和试验组。
Methods According to the standards, 80 patients with severe craniocerebral injury were chosen and divided into control group and experimental group randomly.
但根据数据的统计观察，在各项疗效判定标准的总的有效率方面，试验组有高于对照组的趋势。
While according to the statistical data, the experimental group has more higher trend than contrapositive group in efficient respects of all medical standards.
方法：将符合本试验纳入标准的65例免疫性反复自然流产患者，根据随机法按2∶1分为试验组和对照组，试验组46例，对照组19例。
Methods: Separate 65 cases of RSA into two groups arbitrarily with 2:1, i. e. with the treat group 46 cases and comparison group 19 cases. It applies Chinese traditional medicine-No.
方法：将符合本试验纳入标准的65例免疫性反复自然流产患者，根据随机法按2∶1分为试验组和对照组，试验组46例，对照组19例。
Methods: Separate 65 cases of RSA into two groups arbitrarily with 2:1, i. e. with the treat group 46 cases and comparison group 19 cases. It applies Chinese traditional medicine-No.
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