Table 1 Social economic status and other characteristic of sampling counties in 2015

Income level

Undeveloped

Undeveloped

developed

developed

Number of THs

21

21

10

8

Annual average per capita disposable income (¥)

8516.71

8080.86

15,869.7

15,578.88

Number of outpatients

35,750.43

67,369.1

51,201.4

39,350.13

Number of inpatients

1578.76

2829.86

2195.8

2480.25

Average time to the THs (min)

23

354

33

28

Average time to the local People hospital (min)

46

50

35

49

Average cost of appendicitis per 1000 (¥)

2312.95

1447.99

1954.31

2980.78

Average cost gap between CLHs and THs of appendicitis (¥)

819.62

1233.86

1784.7

1449.88

Average number of anesthesiologist per 1000

0.81

1.52

1.1

1.38

Average number of surgeon per 1000

2.38

2.57

3

2.63