Skip to main content

Table 2 Clinicopathological features of argyrophilic grain disease (AGD) and AGD-negative cases

From: Argyrophilic grain disease is common in older adults and may be a risk factor for suicide: a study of Japanese forensic autopsy cases

 

Positive cases (n = 342)

Negative cases (n = 1107)

Age- and sex-matched positive cases (n = 314)

Age- and sex-matched negative cases (n = 314)

Age-, sex-, and comorbid pathology-matched positive cases (n = 313)

Age-, sex- and comorbid pathology-matched negative cases (n = 313)

Age, mean ± SD, years

79.7 ± 9.0****

67.0 ± 14.1

78.8 ± 8.7

78.8 ± 8.7

79.0 ± 8.9

79.5 ± 9.0

Sex (male/female)

177/165####

704/403

170/144

166/148

168/145

169/144

BMI, mean ± SD

20.1 ± 3.6****

21.3 ± 4.5

20.3 ± 3.6

20.2 ± 3.9

20.2 ± 3.6

20.1 ± 3.7

Cause of death

 Suicide, n (%)

109 (31.9)

286 (25.8)

100 (31.9)##

64 (20.4)

103 (32.9)####

50 (20.2)

 Homicide, n (%)

2 (0.6)

21 (1.9)

1 (0.3)

3 (1.0)

1 (0.3)

5 (1.6)

 Accidental death, n (%)

175 (51.2)#

494 (44.6)

162 (51.6)

175 (55.7)

158 (50.5)

172 (55.0)

 Natural causes, n (%)

52 (15.2)####

297 (26.8)

47 (15.0)#

71 (22.6)

48 (15.3)#

73 (23.3)

Past medical history

 Dementia, n (%)

80 (23.4)####

78 (7.1)

73 (23.3)##

42 (13.4)

68 (21.7)

49 (15.7)

 Medical history of psychiatric disease, n (%)

51 (14.9)

161 (14.5)

50 (15.9)

37 (11.8)

49 (15.7)#

29 (9.3)

Pathological findings

 Brain weight, mean ± SD, g

1299.8 ± 145.6****

1360.4 ± 157.9

1305.6 ± 145.9

1300.3 ± 158.1

1304.8 ± 147.1

1309.8 ± 163.8

 Heart weight, mean ± SD, g

362.1 ± 76.6**

380.4 ± 96.8

363.9 ± 76.3

375.2 ± 85.6

362.1 ± 74.4

370.1 ± 84.3

 Braak AD tau stage, mean ± SD

3.5 ± 1.3****

2.1 ± 1.6

3.5 ± 1.3****

3.1 ± 1.5

3.4 ± 1.2

3.5 ± 1.3

 Thal amyloid beta phase, mean ± SD

1.8 ± 1.6****

1.1 ± 1.4

1.7 ± 1.6

1.8 ± 1.5

1.8 ± 1.6

1.9 ± 1.6

 CERAD amyloid beta stage, mean ± SD

1.3 ± 1.2****

0.8 ± 1.1

1.3 ± 1.2

1.4 ± 1.2

1.3 ± 1.2

1.4 ± 1.3

 AD criteria in NIA-AA, High, n (%)

51 (14.9)####

77 (7.0)

49 (15.6)

41 (13.1)

42 (13.4)

59 (18.9)

 Lewy pathology, n (%)

92 (26.9)####

144 (13.0)

84 (26.8)#

63 (20.1)

80 (25.6)

67 (21.4)

 TDP-43 proteinopathy, n (%)

46 (13.5)####

25 (2.3)

41 (13.1)##

19 (6.1)

27 (8.6)

19 (6.1)

 PSP pathology, n (%)

44 (12.9)####

31 (2.8)

38 (12.1)##

16 (5.1)

32 (10.2)

24 (7.7)

  1. AGD argyrophilic grain disease; AD Alzheimer’s disease; TDP-43 TAR DNA binding protein 43; PSP progressive supranuclear palsy; SD standard deviation; CERAD Consortium to Establish a Registry for Alzheimer’s disease; NIA-AA National Institute on Aging-Alzheimer’s Association; BMI body mass index. **P < 0.01; ****P < 0.0001 Student’s t-test; #P < 0.05; ## P < 0.01; ####P < 0.0001 chi-square test vs. negative cases