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Table 5 Cognitive functional scores of patients and controls (mean ± SD)

From: Secondary damage in left-sided frontal white matter detected by diffusion tensor imaging is correlated with executive dysfunction in patients with acute infarction at the ipsilateral posterior corona radiata

 

Patients

Controls

W1

W4

W12

MMSE

26.8 ± 1.6

25.4 ± 2.3

25.0 ± 1.7

29.3 ± 1.5

Trail making B-A test

160.3 ± 54.7ab

181.8 ± 52.1b

224.1 ± 55.1b

77.2 ± 33.3

Verbal fluency assessment

40.8 ± 10.3a

33.9 ± 11.0b

26.9 ± 11.0b

42.4 ± 8.1

Digit span backwards test

7.3 ± 1.5a

6.3 ± 1.4

5.7 ± 1.3b

7.0 ± 1.7

Digit symbol test

32.6 ± 6.5ab

26.6 ± 6.5b

22.3 ± 4.9b

45.6 ± 9.2

  1. Abbreviations: MMSE, Mini-Mental State Examination; W1, within the first week; W4, the fourth week; W12, the 12th week.
  2. aP < 0.05, LSD test, comparison between W1 and W12 in patients; bP < 0.05, Student’s t-test, comparison between the control and patient groups.