Table 5 Total and component costs (¥) after propensity matching (1:1)

Total costs

38,422.7

33,926.1

4,496.6 (11.7)

 < 0.001

General medical service fees

353.6

129.1

224.5 (63.5)

 < 0.001

General treatment fees

963.7

500.8

462.9 (48.0)

 < 0.001

Nursing fees

674.0

291.7

382.3 (56.7)

 < 0.001

Drug costs

4,515.0

3,503.8

1,011.2 (22.4)

 < 0.001

Material fees

  For surgery

15,066.8

14,486.5

580.3 (3.9)

0.238

  For other treatment

1963.1

1145.4

817.7 (41.7)

 < 0.001

  For examination

88.4

66.2

22.2 (25.1)

 < 0.001

Diagnostic-related fees

  Laboratory

2451.6

1,924.3

527.3 (21.5)

 < 0.001

  Imaging

2,014.9

1,822.9

192.0 (9.5)

0.145

  Surgical expenses

7,859.5

7,948.9

-89.4 (-1.1)

0.384