So the reasons for clinic medical expense are the ponderance of illness, the chronic diseases, medicare, Engel index, age, profession, income, and health seeking distance, etc.

• 影响就诊费用的影响因素为:病伤严重程度、有无慢性病、医疗保险、恩格尔系数、年龄、职业、收入水平、就诊距离等。