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本研究采用最小分组方法,对62名停经12至16周的孕妇进行半随机化分组,以控制可能的混杂因素。分析表明:两组间的年龄、妊次、产次、停经周期及平均经期无显著性差异,保证比较组间的均衡性。米非司酮配伍卡孕栓的人流成功率(97%)明显高于米非司酮配伍米索成功率(74%),而且前者的胎儿排出时间短,出血量也少。多元回归分析表明:年龄越小,产次越高,配伍卡孕栓组的成功率越高。
In our study, 62 pregnant women with menopause for 12 to 16 weeks were sub-randomized using the minimal grouping method to control for possible confounders. The analysis showed that there was no significant difference between the two groups in age, parity, parity, menopause and mean menstrual period to ensure the balance among the groups. The success rate (97%) of mifepristone compatibility with carbamazepine was significantly higher than that of mifepristone with misoprostol (74%), and the former had shorter fetal discharge time and less bleeding. Multivariate regression analysis showed that: the younger the age, the higher the birth rate, the higher the success rate of compatibility with carbamazepine group.