Factors associated with readmission included length of stay in nursery less than 72 hours, exclusive breast feeding, more body weight loss, and higher bilirubin level at discharge from nursery.

• 分析与再入院之相关因子包括在婴儿室住院小于72小时，纯母乳哺育，体重下降程度较多，及从婴儿室出院时有较高之黄疸值。