Adjusted odds ratio of emergency department visits and 30-day readmission for oral cancer patients (n = 1300)*.

95% CI, 95% confidence interval.*Adjusted variables were the patients’ diagnosed age, gender, CCIS categories, urbanization and region of patients’ residence, individual socioeconomic status, surgeon’s age, and teaching level of hospitals.

95%置信区间（95% confidence interval, 95% CI）。*校正变量包括患者确诊年龄、性别、CCIS分类、患者居住地的城市化水平与所属区域、个体社会经济地位、外科医生年龄以及医院教学等级。