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Table 1 Demographic characteristics of healthy individuals and patients in the validation study

From: BrainCheck - a very brief tool to detect incipient cognitive decline: optimized case-finding combining patient- and informant-based data

  

Cognitively impaired groups

P value, NC vs. patients

 

NC

Mild cognitive impairment

Dementia

Major depression

 

Entire sample

     

n

126

80

185

23

 

Female

50 (40)

44 (55)

99 (54)

12 (52)

0.008a

Age (years)

75.2 - 8.8

74.9 - 8.1

78.5 - 6.5

67.4 - 9.6

n.s.b

Education (years)

12.5 - 2.7

12.2 - 2.5

11.9 - 2.7

12.4 - 2.7

n.s.b

MMSE

28.9 - 1.2

27.1 - 2.2

24.2 - 2.5

27.9 - 1.8

0.001b

BrainCheck subsample

     

n

70

21

86

6

 

Female

20 (29)

12 (57)

44 (51)

4 (67)

0.001a

Age (years)

77.2 - 8.9

75.3 - 7.5

78.4 - 6.3

68.2 - 11.4

n.s.b

Education (years)

12.5 - 2.9

11.6 - 2.1

11.7 - 2.6

11.2 - 1.9

n.s.b

MMSE

28.6 - 1.2

27.5 - 1.8

24.4 - 2.5

27.0 - 1.9

0.001b

  1. Data presented as n (%) or mean ±standard deviation. MMSE, Mini-Mental Status Examination; NC, healthy individuals. aChi-square test. bt test.