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Table 2 Comparison of baseline characteristics between reverters and non-reverters

From: Reversible predictors of reversion from mild cognitive impairment to normal cognition: a 4-year longitudinal study

 

Reverters (n = 12,897)

Non-reverters (n = 24,649)

P value

Age (years)

69.6 (3.6)

73.0 (5.6)

< 0.01

Sex (% male)

55.6

52.9

< 0.01

Education (years)

11.7 (2.4)

11.0 (2.5)

< 0.01

Current smoking (% yes)

9

11.4

< 0.01

Heart disease (% yes)

18.3

17.1

< 0.01

Pulmonary disease (% yes)

8.1

9.1

< 0.01

Hypertension (% yes)

43.4

49.6

< 0.01

Diabetes mellitus (% yes)

13.8

15.8

< 0.01

Walking speed (m/s)

1.3 (0.2)

1.2 (0.2)

< 0.01

Mini-mental state examination (points)

26.9 (1.8)

26.3 (1.8)

< 0.01

Geriatric depression scale (points)

2.7 (2.4)

3.3 (2.7)

< 0.01

Category of MCI

  

< 0.01

 Amnestic MCI single domain

16.3

13.2

< 0.01

 Non-amnestic MCI single domain

71.2

57.5

< 0.01

 Amnestic MCI multiple domain

5.3

7.5

< 0.01

 Non-amnestic MCI multiple domain

7.2

21.8

< 0.01

Instrumental activities of daily living (% yes)

 Going outdoors using bus and train

90.4

88.8

< 0.01

 Cash handling and banking

89.1

88.4

0.08

 Driving a car

76.8

62.7

< 0.01

 Using map to go unfamiliar place

63.7

54.9

< 0.01

Cognitive activity (% yes)

 Reading of book or newspaper

96.5

92.9

< 0.01

 Cognitive stimulation such as board game and learning

46.6

42.9

< 0.01

 Culture lesson

43.3

37.4

< 0.01

 Using personal computer

33.3

23.4

< 0.01

Social activity (% yes)

 Daily conversation

96.4

94.9

< 0.01

 Giving someone a helping hand

91.2

89

< 0.01

 Attending a meeting in the community

55.9

50.6

< 0.01

 Hobby or sports activity

74.5

66.8

< 0.01

Productive activity (% yes)

 Housecleaning

88.5

87.3

< 0.01

 Field work or gardening

74.6

72

< 0.01

 Taking care of grandchild or pet

59

52

< 0.01

 Working

33.8

28.7

< 0.01