Table 2 Prevalence of diseases in the study population.

From: Comorbidity status in hospitalized elderly in Japan: Analysis from National Database of Health Insurance Claims and Specific Health Checkups

Elderly individuals (60–84 years old)

Male (n = 1,826,169)

Female (n = 1,454,888)

Sum

Diseases

n

%

n

%

n

%

Cancer, Solid

522,107

28.6

302,493

20.8

824,600

25.1

Cancer, metastasis

107,603

5.9

64,634

4.4

172,237

5.3

Lymphoma, Leukemia

33,533

1.8

25,251

1.7

58,784

1.8

Parkinson’s disease

25,198

1.4

24,496

1.7

49,694

1.5

Dementia

50,231

2.8

59,328

4.1

109,559

3.3

Myocardial infarction

359,676

19.7

168,825

11.6

528,501

16.1

AMI

340,850

18.7

160,965

11.1

501,815

15.3

CHF

237,953

13

153,058

10.5

391,011

11.9

Acute CHF

17,650

1

10,090

0.7

27,740

0.9

Cardiac arrhythmia

234,961

12.9

139,075

9.6

374,036

11.4

Artery diseases

37,105

2

12,932

0.9

50,037

1.5

Hypertension

694,482

38

504,947

34.7

1,199,429

36.6

Cerebrovascular disease

283,239

15.5

180,706

12.4

463,945

14.1

Diabetes

503,560

27.6

293,336

20.2

796,896

24.3

Diabetes, complicated

164,227

9

92,944

6.4

257,171

7.8

Thyroid diseases

25,109

1.4

40,799

2.8

65,908

2

Hyperlipidemia

343,945

18.8

275,938

19

619,883

18.9

Depression/mood disorder

31,544

1.7

43,540

3

75,084

2.3

Schizophrenia

28,549

1.6

24,634

1.7

53,183

1.6

Pneumonia

122,427

6.7

57,629

4

180,056

5.5

COPD

52,825

2.9

9,176

0.6

62,001

1.9

Digestive tract diseases

362,980

19.9

248,163

17.1

611,143

18.6

Rheumatoid arthritis

16,889

0.9

41,243

2.8

58,132

1.8

Hip fracture

34,286

1.9

53,683

3.7

73,218

2.2

Osteoporosis

19,535

1.1

125,437

8.6

159,723

4.9

Knee arthritis

16,050

0.9

50,055

3.4

66,105

2

Renal failure

145,075

7.9

74,713

5.1

219,788

6.7

Cataract

25,109

1.4

24,383

1.7

49,492

1.5

Allergy

31,924

1.8

26,998

1.9

58,922

1.8

Super elderly individuals (≥85 years old)

Male (n = 308,880)

Female (n = 514,131)

Sum

Diseases

n

%

n

%

n

%

Cancer, solid

70,199

22.7

58,423

11.4

128,622

15.6

Cancer, metastasis

10,100

3.3

8,813

1.7

18,913

2.3

Lymphoma, Leukemia

4,113

1.3

4,485

0.9

8,598

1

Parkinson’s disease

6,049

2

9,440

1.8

15,489

1.9

Dementia

37,449

12.1

89,622

17.4

127,071

15.4

MI

54,886

17.8

71,861

14

126,747

15.4

Acute MI

51,538

16.7

67,077

13.1

118,615

14.4

CHF

75,587

24.5

132,243

25.7

207,830

25.3

Acute CHF

3,580

1.2

5,790

1.1

9,370

1.1

Cardiac arrhythmia

53,794

17.4

79,978

15.6

133,772

16.3

Artery diseases

7,325

2.4

6,123

1.2

13,448

1.6

Hypertension

122,878

39.8

228,727

44.5

351,605

42.7

Cerebrovascular diseases

69,660

22.6

109,362

21.3

179,022

21.8

Diabetes

57,433

18.6

78,737

15.3

136,170

16.6

Diabetes, complicated

15,851

5.1

19,559

3.8

35,410

4.3

Thyroid diseases

5,891

1.9

13,488

2.6

19,379

2.4

Hyperlipidemia

36,735

11.9

70,360

13.7

107,095

13

Depression/mood disorder

5,392

1.8

14,320

2.8

19,712

2.4

Schizophrenia

8,451

2.7

14,632

2.9

23,083

2.8

Pneumonia

57,128

18.5

65,944

12.8

123,072

15

COPD

14,252

4.6

3,421

0.7

17,673

2.2

Digestive tract diseases

51,757

16.8

82,162

16

133,919

16.3

Rheumatoid arthritis

2,236

0.7

7,889

1.5

10,125

1.2

Hip fracture

12,057

3.9

62,591

12.2

74,648

9.1

Osteoporosis

8,546

2.8

56,430

11

64,976

7.9

Knee arthritis

3,199

1

12,806

2.5

16,005

1.9

Renal failure

34,177

11.1

38,257

7.4

72,434

8.8

Cataract

1,841

0.6

3,544

0.7

5,385

0.7

Allergy

3,670

1.2

5,066

1

8,736

1.1

  1. AMI: acute myocardial infarction.
  2. CHF: congestive heart failure.
  3. COPD: chronic obstructive pulmonary disease.
  4. The prevalence was calculated by dividing the number of target-disease patients by the total number of patients in the study cohort.