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. 2021 Mar 16;13:637260. doi: 10.3389/fnagi.2021.637260

Table 3.

Characteristics between cohort with and without epilepsy.

Variables With epilepsy (n = 40) Without epilepsy (n = 387) P-value x2/t value
Demographics
Female sex, No./total No. (%) 16/40 (40.0) 178/387 (46.0) 0.508 0.526
Age, median (range) 59 (38–85) 59 (33–86) 0.783 n/a#
Education, No./total No. (%) 0.045 6.105
  No more than basic 10/40 (25.0) 80/379 (20.7)
  High school 11/40 (27.5) 178/379 (46.0)
  Tertiary 19/40 (47.5) 121/379 (31.3)
Married, No./total No. (%) 26/40 (65.0) 259/383 (67.6) 0.860 0.113
NCD characteristics
Mild NCD, No./total No. (%) 9/40 (22.5) 58/387 (15.0) 0.251 1.547
Dementia subtypes, No./total No. (%) 0.034 10.185
  AD 10/40 (25.0) 104/387 (26.9)
  VD 5/40 (12.5) 46/387 (11.9)
  MDD 3/40 (7.5) 66/387 (17.1)
    DLB 2/40(5.0) 22/387 (5.7)
    PDD 0/40 (0) 33/387 (8.5)
    MSA 0/40 (0) 3/387 (0.8)
    PSP 1/40 (2.5) 3/387 (0.8)
    CBD 0/40 (0) 5/387 (1.3)
  FTD 6/40 (15.0) 98/387 (25.3)
  Unspecified a 16/40 (40.0) 73/387 (18.9)
NCD onset age, No./total No. (%)
  Young-onset (<65) 29/40 (72.5) 292/387 (75.5) 0.702 0.169
  ≤50 17/40 (42.5) 99/387 (25.6) 0.026 5.245
NCD duration (years), median (range) 3.00 (0.5–10) 2.50 (0.5–15) 0.107 n/a#
Total NUCOGb, mean ± SD 64.89 ± 22.03 66.35 ± 17.13 0.667 0.431
Family history of NCD, No./total No. (%) 13/40 (32.5) 82/387 (21.2) 0.111 2.681
Neuroimagingc, No./total No. (%)
  Abnormality 35/40 (87.5) 328/382 (85.9) 0.820 0.081
    Cortical atrophy 26/40 (65.0) 233/382 (61.0) 0.733 0.245
    Non-specific abnormality 22/40 (55.0) 204/382 (53.4) 0.847 0.037
    Small-vessel ischemic change 18/40 (45.0) 152/382 (39.8) 0.612 0.408
SPECT abnormalityd, No./total No. (%) 26/29 (89.7) 307/339 (90.6) 0.748 0.025
On ADMe, No./total No. (%) 6/40 (15.0) 56/387 (14.5) ~1.000 0.008
Medical history
Psychiatric history, No./total No. (%) 0.538 1.354
  Depression/anxiety 18/40 (45.0) 145/387 (37.5)
  Other psychiatric disorders 8/40 (20.0) 70/387 (18.1)
Hypertension, No./total No. (%) 13/40 (32.5) 112/387 (28.9) 0.715 0.222
Diabetes, No./total No. (%) 4/40 (10.0) 58/387 (15.0) 0.487 0.726
Hypercholesterolaemia, No./total No. (%) 14/40 (35.0) 158/387 (40.8) 0.504 0.512
Obstructive sleep apnea, No./total No. (%) 2/40 (5.0) 22/387(5.7) ~1.000 0.032
Lifestyle factors
Current smoking, No./total No. (%) 13/40 (32.5) 65/387 (16.8) 0.029 5.988
Alcohol use, No./total No. (%) 16/40 (40.0) 93/387 (24.0) 0.036 4.863

AD, Alzheimer disease; VD, Vascular dementia; MD, Movement disorder associated dementia; DLB, Dementia with Lewy bodies; PDD, Dementia associated with Parkinson disease; MSA, Multiple system atrophy; PSP, progressive supranuclear palsy; CBD, corticobasal degeneration; FTD, frontotemporal dementia; ADM, anti-dementia medications.

#

not available for Mann-Whiteney U-test.

a

Include 4 people with mixed NCDs (3 AD/VD and 1 FTD/VD), 5 with mild cognitive impairment who did not meet diagnostic criteria for differential diagnoses, and 7 who did not meet the criterion for a specific type in the cohort with epilepsy, and 20 people with mixed NCDs (15 AD/VD, 2 FTD/VD, 2 PDD/VD, and 1 DLB/VD), 9 with mild cognitive impairment who did not meet diagnostic criteria for differential diagnoses, and 44 who did not meet the criterion for a specific type in the cohort without epilepsy.

b

based on the data of 30 people with epilepsy and 294 people without epilepsy.

c

Mostly based on MRI, 10 of them based on CT as the people (including 2 people with epilepsy) had only CT but no MRI, 5 people (all without epilepsy) had neither MRI nor CT.

d

based on the data of 29 people with epilepsy and 339 people without epilepsy.

e

before onset of epilepsy or before the last follow-up record.