Multiple linear regression and multiple logistic regression were used to analyze the relationship between DRG and the logarithmic mean of total hospitalization expenditures and medical quality.

Multiple linear regression and multiple logistic regression were used to analyze the relationship between DRG and the logarithmic mean of total hospitalization expenditures and medical quality.采用多元线性回归与多元逻辑回归分析疾病诊断相关分组（Diagnosis Related Groups，DRG）与总住院费用对数均值、医疗质量之间的关联。