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Table 5 Incidence of catastrophic drug expenditure (%) of 4 essential medicines in China from 2011 to 2014

From: A survey of availability, price and affordability of essential medicines from 2011 to 2016 in Chinese secondary and tertiary hospitals

Treatment

Type

Percent of family income

2011

2012

2013

2014

Urban

Rural

Urban

Rural

Urban

Rural

Urban

Rural

Hydrochlorothiazide

Gsa

7.5%

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

10.0%

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

12.5%

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

Nifedipine

IBsb

7.5%

67.1

100.0

57.6

100.0

55.0

100.0

50.0

100.0

10%

50.5

100.0

38.4

93.7

36.4

89.8

31.9

85.3

12.5%

37.3

92.2

28.2

90.4

28.0

83.3

24.2

77.6

Gs

7.5%

6.3

47.9

3.6

40.6

1.9

31.9

0.3

31.0

10.0%

4.5

31.9

0.8

26.9

0.0

24.0

0.0

22.0

12.5%

2.6

25.9

0.0

24.8

0.0

16.7

0.0

12.2

Diclofenac

Gs

7.5%

22.6

78.3

17.7

73.1

14.8

60.5

13.9

63.6

10.0%

15.2

66.8

11.3

60.5

8.2

45.7

7.5

41.2

12.5%

11.2

54.7

7.5

54.7

4.2

36.2

3.7

33.8

Metformin

IBs

7.5%

36.0

88.8

28.0

83.8

28.0

77.6

22.0

76.9

10.0%

21.7

80.9

17.1

74.4

18.0

67.7

14.5

58.4

12.5%

2.4

25.4

0.0

22.8

0.0

0.0

0.0

0.0

Gs

7.5%

6.0

46.9

2.6

36.9

0.7

28.0

0.0

27.4

10.0%

4.2

31.1

0.0

24.7

0.0

22.1

0.0

20.7

12.5%

16.1

69.0

12.1

69.0

12.0

55.6

9.3

45.6

  1. aGs: Generics
  2. bIBs: Innovator brands