RESULTS:There are no significant differences between two groups in improvement of symptoms such as fever,diarrhea,vomiting, abdominal pain,tenesmus,abnormol stool routines and positive stool cultures.

• 结果：比较两组病人发热、腹泻、呕吐、腹痛、里急后重、左下腹压痛等症状体征好转时间及大便常规正常、大便培养阴转时间均无显著性差异。