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Table 2 Future prediction of cost of illness (COI) of ischemic heart disease

From: Cost of illness of ischemic heart disease in Japan: a time trend and future projections

 

Item

2017

2020

2023

2026

2029

 

Estimated population (thousand person)

125,739

124,100

122,122

119,891

117,465

[% of persons aged ≥ 65 years]

28.0%

29.1%

29.8%

30.5%

31.2%

Fixed model

Number of deaths (person)

80,569

86,096

91,553

95,522

100,894

[% of persons aged ≥ 65 years]

88.8%

89.6%

90.0%

90.3%

90.7%

Average age of death (year)

78.3

78.7

79.2

79.6

80.1

Direct cost (billion yen)

635.7

665.0

690.9

710.2

728.9

Morbidity cost (billion yen)

70.5

71.8

72.4

72.6

72.6

Mortality cost (billion yen)

1064.0

1083.7

1098.2

1104.7

1108.2

[% of persons aged ≥ 65 years]

53.1%

54.0%

54.5%

54.8%

55.6%

Mortality cost per person (million yen)

13.2

12.6

12.0

11.6

11.0

COI (billion yen)

1770.2

1820.5

1861.5

1887.5

1909.7

Linear model

Number of deaths (person)

66,367

57,789

47,249

34,512

23,860

[% of persons aged ≥ 65 years]

86.5%

85.3%

82.6%

77.1%

68.5%

Average age of death (year)

77.5

77.4

76.9

75.5

72.7

Direct cost (billion yen)

556.4

514.1

462.7

415.4

367.0

Morbidity cost (billion yen)

73.0

67.4

61.6

56.6

52.3

Mortality cost (billion yen)

953.6

850.8

737.9

615.5

525.9

[% of persons aged ≥ 65 years]

47.3%

43.5%

37.3%

28.5%

21.8%

Mortality cost per person (million yen)

14.4

14.7

15.6

17.8

22.0

COI (billion yen)

1583.0

1432.4

1262.2

1087.5

945.3

Exponential/logarithm model

Number of deaths (person)

73,782

71,108

68,157

64,163

61,072

[% of persons aged ≥ 65 years]

87.8%

87.8%

87.6%

87.1%

86.8%

Average age of death (year)

77.9

78.2

78.5

78.6

78.9

Direct cost (billion yen)

504.1

465.4

425.2

386.1

351.2

Morbidity cost (billion yen)

76.8

73.5

69.6

65.6

62.3

Mortality cost (billion yen)

1016.6

961.6

906.0

848.1

790.5

 [% of persons aged ≥ 65 years]

50.2%

49.2%

47.6%

46.0%

44.8%

Mortality cost per person (million yen)

13.8

13.5

13.3

13.2

12.9

COI (billion yen)

1597.6

1500.5

1400.7

1299.8

1204.1

Mixed model

Number of deaths (person)

73,775

71,088

68,120

64,106

60,992

[% of persons aged ≥ 65 years]

87.8%

87.8%

87.6%

87.2%

86.9%

Average age of death (year)

77.9

78.2

78.5

78.6

78.9

Direct cost (billion yen)

530.5

491.3

457.5

419.7

380.0

Morbidity cost (billion yen)

72.4

67.6

63.2

58.8

55.3

Mortality cost (billion yen)

1016.1

960.2

903.5

844.3

785.2

[% of persons aged ≥ 65 years]

50.2%

49.2%

47.7%

46.2%

45.1%

Mortality cost per person (million yen)

13.8

13.5

13.3

13.2

12.9

COI (billion yen)

1619.0

1519.1

1424.1

1322.8

1220.5

  1. Source of estimated population: National Institute of Population and Social Security Research “Population Statistics of Japan”