Table 7.

Concentration index of hospitalization expenses for patients in tertiary hospitals.

Year	CI	P	CAD	P
Before the DIP reform
2020	−0.05626191	<0.001	−0.08559945	<0.001
After the DIP reform
2021	−0.03778337	<0.001	−0.08901698	<0.001
2022	−0.03471399	<0.001	−0.063802	<0.001
2023	−0.05471191	<0.001	−0.05476254	<0.001