Table 5 Robustness test: considering eliminating the effect of the early implementation of health insurance reform. This table reports the results that sample excluded the elderly from 2021 (5,495 elderly) to minimize interference from the early period of DRGs payment implementation. Dependent indicators were logarithmically transformed in the model considering the skewed distribution. ^***, ^** and ^* denote statistically significant levels of 1%, 5% and 10% respectively

DRG

0.0113

-0.0800***

0.2879***

-2.8096***

0.4053***

(0.0107)

(0.0142)

(0.0195)

(0.0500)

(0.0147)

Age

-0.0022***

-0.0025***

0.0050***

-0.0109***

-0.0072***

(0.0004)

(0.0005)

(0.0007)

(0.0017)

(0.0005)

Gender

0.0732***

0.0924***

0.0691***

-0.0099

0.0074

(0.0054)

(0.0071)

(0.0098)

(0.0251)

(0.0074)

Married

0.0558***

0.0908***

0.0542***

0.2419***

0.0433***

(0.0063)

(0.0084)

(0.0116)

(0.0296)

(0.0087)

LOS

0.0524***

0.0597***

0.1037***

0.0324***

0.0474***

(0.0003)

(0.0005)

(0.0006)

(0.0016)

(0.0005)

M_type

-0.0018***

-0.0037***

-0.0023***

0.0440***

-0.0164***

(0.0003)

(0.0004)

(0.0005)

(0.0013)

(0.0004)

D_Admission

0.0013***

0.0011***

-0.0007***

-0.0026***

0.0020***

(0.0001)

(0.0001)

(0.0002)

(0.0004)

(0.0001)

CPI

0.7592***

-3.8285***

0.4190

-17.9937***

3.4629***

(0.2288)

(0.3042)

(0.4177)

(1.0683)

(0.3141)

GDP_pc

-0.1274**

0.9347***

0.3274***

17.0970***

-2.2905***

(0.0538)

(0.0715)

(0.0982)

(0.2512)

(0.0739)

H_worker

0.0037

-0.0166

0.1874***

1.1076***

-0.1887***

(0.0215)

(0.0286)

(0.0392)

(0.1003)

(0.0295)

N_Hospital

-0.0003***

-0.0006***

-0.0004***

-0.0047***

0.0005***

(0.0000)

(0.0000)

(0.0000)

(0.0001)

(0.0000)

Constant

9.6581***

2.8352***

-0.1954

-159.6207***

30.3131***

(0.5981)

(0.7954)

(1.0921)

(2.7931)

(0.8212)

Year FE

Yes

Yes

Yes

Yes

Yes

Region FE

Yes

Yes

Yes

Yes

Yes

Observations

41,219

41,219

41,219

41,219

41,219

R-squared

0.5232

0.4477

0.4636

0.4024

0.3807