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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