Table 1 Participants characteristics.

From: Association between mammillary body atrophy and memory impairment in retired athletes with a history of repetitive mild traumatic brain injury

 

Retired athletes with rmTBI

HC

Participants, n

27

23

Sex, male, n (%)

24 (88.9%)

20 (87.0%)

Age, y, Mean ± sd, range

43.9 ± 10.9, 31–69

45.1 ± 14.0, 23–69

Year of education, y, mean ± SD, range

13.7 ± 2.4, 9–18

ｰ

Sports professions, n

Boxing 18, Kickboxing 3, Wrestling 2, Snowmobiling 1, Rugby 1, Ice hockey 1, American football 1

ｰ

Years since the first injury, y, mean ± SD, range

26.4 ± 11.6, 9–47

ｰ

Duration of exposure to rmTBI, y, mean ± SD, range

15.4 ± 9.4, 12–25

ｰ

Past history of neuropsychiatric diseases

Alcohol use disorder 3 (11.1%)

ｰ

MRI findings on T2WI/FLAIR; DWMH (Fazekas grade 0/1/2/3)

17/7/3/0

15/6/2/0

  1. rmTBI repetitive mild traumatic brain injury, HC healthy control, y year(s), SD standard deviation, T2WI T2 weighted image, FLAIR fluid attenuated inversion recovery, DWMH deep white matter hyperintensities.
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