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Table 1 Summary of subject information for the four cohorts

From: Multiple γ-secretase product peptides are coordinately increased in concentration in the cerebrospinal fluid of a subpopulation of sporadic Alzheimer’s disease subjects

Cohort 1

CDR 0

CDR 0.5

CDR 1

CDR 2

 

N

18

20

13

13

 

Age

78.8 ± 5.83

71.9 ± 7.929

81.1 ± 5.27

83.8 ± 7.01

 

Gender (F %)

72.2

55.0

100

84.6

 

MMSE (score)

-

25.5 ± 2.86

19.1 ± 3.28

16.2 ± 2.68

 

HDS-R (score)

-

25.3 ± 3.42

18.3 ± 4.40

14.5 ± 3.78

 

Aβ 40 (pg/mL)

9288 ± 3663

13070 ± 4798

14450 ± 3846

11460 ± 4768

 

Aβ 42 (pg/mL)

633.8 ± 292.8

506.6 ± 194.7

656.7± 380.3

415.6 ± 228.2

 

p3-Alcα (pg/mL)

7086 ±1971

8548 ± 2373

9238 ± 2243

6902 ± 2345

 

Cohort 2

CDR 0

CDR 0.5

CDR 1

  

N

20

20

13

  

Age

74.1 ± 6.61

75.5 ± 5.61

76.2 ± 6.22

  

Gender

50.0

55.0

53.8

  

MMSE (score)

28.7 ± 1.27

26.3 ± 2.33

23.1 ± 3.71

  

Aβ 40 (pg/mL)

10450 ± 3872

9758 ± 4527

9080 ± 3953

  

Aβ 42 (pg/mL)

802.6 ± 185.2

322.0 ± 73.05

292.7 ± 64.62

  

p3-Alcα (pg/mL)

9569 ± 3604

9538 ± 3225

8111 ± 2666

  

Cohort 3

CDR 0

CDR 0.5

CDR 1

CDR 2-3

FTLD

N

23

9

13

12

37

Age

66.3 ± 9.26

68.0 ± 8.51

69.7 ± 10.1

69.2 ± 9.73

69.6 ± 11.6

Gender (F%)

47.8

55.6

61.5

50.0

45.9

MMSE (score)

-

26.9 ± 1.27

21.4 ± 2.10

11.7 ± 5.85

16.3 ± 8.62

Aβ 40 (pg/mL)

6392 ± 1876

7066 ± 4707

6930 ± 4256

6316 ± 4006

4487 ± 2824

Aβ 42 (pg/mL)

795.7 ± 280.1

383.6 ± 317.6

401.0 ± 333.6

335.2 ± 218.1

387.8 ± 307.5

p3-Alcα (pg/mL)

5254 ± 1365

6047 ± 3336

5918 ± 3404

5441 ± 2323

3557 ± 1816

Cohort 4

N

57

    

Age

68.2 ± 7.82

    

Gender (F%)

64.9

    

MMSE (score)

28.5 ± 2.18

    

CSF Aβ 40 (pg/mL)

7800 ± 3716

    

CSF Aβ 42 (pg/mL)

417.1 ± 216.6

    
  1. Average age, gender (% of female) and MMSE (and HDS-R in Cohort 1) scores, average values of p3-Alcα, Aβ40 and Aβ42 of non-demented controls (CDR 0), MCI subjects (CDR 0.5), AD subjects with mild, moderate or severe (CDR 1, CDR 2 and CDR 3, respectively) and FTLD subjects are summarized. Cohorts 1 and 3, Japanese cohort; Cohort 2, US cohort. In Australian cohort 4, subjects are diagnosed as pre-clinical stage. Details of individual subjects are shown in the Supplementary Information (Additional file 3: Tables S1 ~ S4). CDR = clinical dementia rating, HDS-R = Hasegawa's dementia scale; MMSE = Mini-Mental State Examination. Numbers indicate "mean ± standard deviation".