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Table 1 Demographic, clinical and neuroimaging characteristics of subjects (N = 58)

From: Medial temporal lobe atrophy, white matter hyperintensities and cognitive impairment among Nigerian African stroke survivors

Age at baseline: (mean ± SD) years

60.1 ± 10.7

Sex: n (%) female

28 (50)

Total number of years of education:(mean ± SD) years

8.6 ± 5.6

CSID total score (mean ± SD)

24.8 ± 4.6

MMSE score (mean ± SD)

23.5 ± 5.9

Executive function score (mean ± SD)

10.6 ± 4.6

Memory score (mean ± SD)

29.6 ± 10.4

Simple reaction time (mean ± SD)

947.5 ± 861.0

Choice reaction time (mean ± SD)

1170.6 ± 763.4

CESD score (mean ± SD)

6.5 ± 5.4

Stroke type (diagnosed by CT and/or MRI)

 Ischaemic

50 (86.2)

 Haemorrhagic

8 (13.8)

Cardiovascular risk factors, n (%)

 Hypertension

53 (91.4)

 Diabetes mellitus

13 (22.4)

 Dyslipidemia

6 (10.3)

 Atrial fibrillation

1 (1.7)

 Ever smoked

15 (25.9)

 Ever taken alcohol

28 (48.2)

 Previous stroke

7 (12.1)

Imaging volumetrics (mean ± SD)*

 ICV (mls)

1331.0 ± 146.7

 TBV (mls)

1024.9 ± 132.2

 Ven vol (mls)

44.7 + 19.3

 TBV/ICV

0.77 ± 0.06

 Ven vol/TBV

0.04 ± 0.02

 MTA (L + R) total score

7.06 ± 1.67

Vascular lesions on MRI

 Large vessel infarct-right [n (%)]

3 (5.1)

 Large vessel infarct-left [n (%)]

3 (5.1)

 Frontal infarct-right [n (%)]

4 (6.9)

 Frontal infarct-left [n (%)]

3 (5.1)

 Parietal infarct-right [n (%)]

17 (29.3)

 Parietal infarct-left [n (%)]

13 (22.4)

 Basal ganglia small vessel disease-right [n (%)]

15 (25.9)

 Basal ganglia small vessel disease-left [n (%)]

9 (15.5)

Total brain WMH (median, semi-interquartile range)x, **

7.00 (0–13.75)

Periventricular WMH (median, semi-interquartile range)x, **

3.00 (0–5.00)

Deep WMH (median, semi-interquartile range)x, **

4.00 (0–9.25)

  1. Mean ± SD is stated for continuous variables and n (%) for dichotomous variables
  2. MRI Magentic Resonance Imaging, ICV Intracerebral Volume, MTLA Medial Temporal Lobe Atrophy, TBV Total Brain Volume, Ven Vol Ventricular Volume, WMH White Matter Hyperintensities, CSID Community Screening Instrument for Dementia, MMSE Mini Mental State Examination, CESD Centre for Epidemiologic Studies Depression Scale
  3. * Volumetric analysis was done only in 54 cases; ** computed based on Schelten’s WMH scale
  4. xData non-normally distributed