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Table 1 Demographic characteristics of the groups

From: Development of quantitative and continuous measure for severity degree of Alzheimer’s disease evaluated from MRI images of 761 human brains

 

CN

MCI

AD

Group A

N*

136

155

13

Female (%)

60.3

53.5

30.8

Age, Mean (SD)

72.5 (5.3)

72.1 (5.1)

78.1 (5.0)

 < t > †, Mean (SD)

2.4580 (0.0477)

2.4549 (0.0415)

2.4676 (0.0539)

Group B

N

212

262

67

Female (%)

62.7

43.5

41.8

Age, Mean (SD)

73.0 (5.2)

73.7 (5.3)

76.7 (6.3)

 < t > , Mean (SD)

2.3516 (0.0293)

2.3429 (0.0266)

2.3491 (0.0269)

Group C

N

159

209

84

Female (%)

46.5

34.0

52.4

Age, Mean (SD)

74.0 (5.7)

75.3 (5.8)

76.9 (5.2)

 < t > , Mean (SD)

2.2566 (0.0290)

2.2573 (0.0278)

2.2455 (0.0298)

Group D

N

40

96

83

Female (%)

22.5

35.4

26.5

Age, Mean (SD)

78.1 (6.5)

76.2 (5.7)

77.4 (6.6)

 < t > , Mean (SD)

2.1514 (0.0389)

2.1448 (0.0433)

2.1373 (0.0520)

  1. *Number of MRI images; †Average cortical thickness over the 276,825 vertices. AD Alzheimer’s disease, CN cognitively normal, MCI mild cognitive impairment
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BMC Bioinformatics

ISSN: 1471-2105

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