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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