Table 4 Inpatient health service utilization per patient by cities

Median total medical cost (RMB)

16,275.8

14,473.4

13,930.0

10,606.1

12,098.4

6960.7

8061.5

5673.3

P < 0.001

IQR

[11,287.0,23,755.1]

[9317.5,22861.7]

[9649.4,20520.2]

[6025.4,18239.7]

[7472.1,18801.5]

[3354.7,12289.4]

[4849.3,14928.4]

[3403.3,10467.3]

Median within- insurance OOP expenses (RMB)

1719.4

4889.1

1822.3

2001.1

2251.5

2761.9

623.5

352.1

P < 0.001

IQR

[1076.5,2225.9]

[3381.2,6747.3]

[1119.1,2808.0]

[771.1,3482.8]

[1333.1,3206.2]

[1249.7,5010.4]

[330.0,1244.9]

[168.8,682.7]

Median outside insurance OOP expenses (RMB)

28.3

179.2

210.0

98.0

1068.6

503.1

433.0

215.7

P < 0.001

IQR

[0.0,204.5]

[60.2,681.3]

[18.0,445.7]

[0.0,296.4]

[338.3,2841.7]

[84.0,1671.3]

[158.6,1105.3]

[77.6,564.5]

Reimbursement rate (%)

89.4

64.9

87.5

79.6

80.4

55.3

91.4

89.5

IQR

[84.9,93.6]

[61.2,67.2]

[82.7,90.6]

[79.1,89.0]

[75.2,84.9]

[47.7,65.6]

[88.8,93.6]

[86.8,92.6]

Median number of visits

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

P < 0.001

IQR

[1.0,1.0]

[1.0,1.0]

[1.0,2.0]

[1.0,1.0]

[1.0,1.0]

[1.0,1.0]

[1.0,1.0]

[1.0,1.0]

Average LOS (days)

14.0

13.0

15.0

13.0

14.0

12.0

11.0

8.0

P < 0.001

IQR

[10.0,21.0]

[9.0,21.0]

[10.0,35.0]

[9.0,20.0]

[10.0,17.0]

[7.0,14.0]

[7.0,17.0]

[5.0,13.0]