Table 3

Changes in total outpatient expenses, drug expenses, examination expenses, treatment expenses and other expenses in the pilot group relative to the control group

VariablesMean annual expenses (RMB, ¥)DID β 3/regression-adjusted DID (95% CI)P value*
Pilot group
(n=9646)
Control group
(n=25 883)
Total outpatient expenses
 20138357.317575.991843.031993.76 (1643.74 to 2343.77)<0.001
 20149715.977091.62
Drug expenses
 20137542.946945.781761.101904.30 (1578.63 to 2229.96)<0.001
 20148904.436546.17
Examination expenses
 2013518.89318.1635.7544.90 (19.11 to 70.68)<0.001
 2014501.90265.42
Treatment expenses
 201372.1071.272.673.55 (1.01 to 6.09)0.006
 201468.3964.89
Other expenses
 2013223.38240.7743.4943.46 (26.81 to 60.11)<0.001
 2014241.25215.15
  • Adjusted for confounding factors including age, sex, number of complications, types of medical insurance and hospital grade.

  • *Significant difference in β3 (regression-adjusted DID) from zero is reflected by the p values.