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Table 1 Demographic and neuropsychological characteristics of participant groups

From: The Chinese version of story recall: a useful screening tool for mild cognitive impairment and Alzheimer’s disease in the elderly

Group

NC n = 249

MCI n = 134

AD n = 97

All type of dementia n = 161

X2

P

Age

66.94 ± 8.87

69.91 ± 8.38**

71.09 ± 9.04**▲▲

70.93(9.15)**

20.052

0.000

Education

12.89 ± 3.30

11.32 ± 3.84**

10.63 ± 4.49**▲▲

10.55(4.39)**

23.622

0.000

MMSE

28.41 ± 1.50

26.98 ± 2.04**

15.69 ± 5.91**▲▲

16.28 (6.06)**

255.721

0.000

HAMD

3.78 (3.30)

3.84 (3.12)

2.42 (2.12)

2.78 (2.47)

17.484

0.001

Sex (Male/Female)

158/91

76/58

54/43

81/80

2.597

0.273

Race (Han/Others)

238/11

127/6

92/4

153/7

0.016

0.993

Concomitant diseases

      

Hypertension

107

62

30

63

5.727

0.126

Hyperlipidemia

93

33

8

21

46.632

0.000

Diabetes

53

21

14

30

2.828

0.419

Stroke

57

36

13

65

26.287

0.000

History of smoking

45

26

12

39

5.681

0.128

History of drinking

30

19

11

29

3.543

0.315

Family history of dementia

42

27

20

29

1.105

0.776

Story recall test

      

ISR

30.03 ± 8.58

13.91 ± 8.79**

4.02 ± 6.06**▲▲

4.49 ± 5.964**▲▲

440.559

0.000

DSR

26.60 ± 8.49

9.40 ± 8.88**

1.60 ± 4.58**▲▲

1.63 ± 4.315**▲▲

460.195

0.000

  1. Notes: Means ± SD was presented except for sex. **P ≤ 0.01 MCI/AD vs NC; ▲▲P ≤ 0.01 MCI vs AD.
  2. NC = normal cognition; MCI = mild cognitive impairment. AD = Alzheimer’s disease. MMSE = Mini-mental State Examination; DSR = Delayed story recall; ISR = Immediate story recall; HAMD = Hamilton depression rating scale.