Skip to main content

Table 2 Cognitive change divided by age from 3 months to 12 months

From: Factors associated with improvement or decline in cognitive function after an ischemic stroke in Korea: the Korean stroke cohort for functioning and rehabilitation (KOSCO) study

Age Group n (%) Cognitive Change 3 months after onset 12 months after onset
n (%) K-MMSE (mean ± SD) K-MMSE (mean ± SD)
Total Subjects
(n = 2,625)
Normal Cognition 1,735
(66.1)
Stable 1,430 (82.4) 28.09 ± 2.66 28.14 ± 2.75
Converter 93 (5.4) 23.67 ± 3.60 27.41 ± 3.19
Reverter 212 (12.2) 26.81 ± 3.53 22.00 ± 4.80
Declined Cognition 890
(33.9)
Stable 472 (53.0) 16.14 ± 9.81 16.42 ± 10.09
Converter 321 (36.1) 17.87 ± 9.81 24.11 ± 5.69
Reverter 97 (10.9) 16.34 ± 7.27 11.03 ± 7.46
Older age
(n = 1,431)
Normal Cognition 835
(58.4)
Stable 612 (73.3) 26.86 ± 3.41 26.88 ± 3.50
Converter 79 (9.5) 23.18 ± 3.69 27.01 ± 3.30
Reverter 144 (17.2) 25.85 ± 3.82 20.66 ± 4.90
Declined Cognition 596
(41.6)
Stable 336 (56.4) 14.46 ± 9.71 14.68 ± 9.95
Converter 183 (30.7) 15.95 ± 7.64 22.46 ± 5.78
Reverter 77 (12.9) 16.08 ± 7.09 10.52 ± 7.21
  1. n, Number; SD, Standard Deviation; K-MMSE, Korean Mini Mental State Examination