The data of times of symptom relapse, duration of rehospitalization, loss of working days, deduction of income and medical expenses were collected at the end of nine months follow-up.

• 对两组患者及家属进行随访，比较两组人群九个月内的复发次数、住院时间、因本病产生的医药费、工作时间和经济收入情况。