作者等选用氟嗪酸、氟派酸、氯霉素及后二者联合用药,共设四个治疗组,对伤寒疗效进行了配对比较观察。配对分组符合统计学要求,各组支持治疗均相同。以伤寒退热时间为主要评价指标。根据配对计量资料比较t检验处理所得数据,结论为:氟嗪酸疗效最佳,氟呢酸次之,氯霉素再次之,后二者的联合用药并不优于氟哌酸和氯霉素的单独用药。 The author chose fluorozinc acid, flufenamic acid, chloramphenicol and the latter two combined treatment, a total of four treatment groups, the effect of typhoid were paired comparison. Paired grouping met the statistical requirements, and each group supported the same treatment. Typhoid fever time as the main evaluation index. According to the data from the paired measurement data, the data of t-test were compared. The conclusion was that flurazinol was the best, followed by flufenamic acid and chloramphenicol again, and the combination of the two was not superior to norfloxacin and chloramphenicol Single drug.