Characteristics of fighters who were adjudicated as either having TES or not. mean (SD) or median (IQR) for continuous variables and number (%) for categorical variables
| Non-TES | TES+ | P value | |
| N | 104 | 72 | |
| Age in years | 41.25 (8.21) | 47.31 (9.02) | <0.0001 |
| Years of education | 13.48 (3.10) | 12.83 (2.57) | 0.0302 |
| Number of fights, median | 16 (5, 35) | 33.50 (21.50, 48.50) | <0.0001 |
| Professional years | 8.96 (5.67) | 12.99 (5.41) | <0.0001 |
| Boxer (%) | 50 (48%) | 60 (83%) | <0.0001 |
| MMA (%) | 54 (52%) | 12 (17%) | <0.0001 |
| Active (%) | 59 (57%) | 8 (11%) | <0.0001 |
| Race | 0.0081 | ||
| Black | 19 (18%) | 27 (38%) | |
| White | 64 (62%) | 29 (40%) | |
| Other | 21 (20%) | 16 (22%) | |
| Age start competing in years | 19.46 (8.18) | 14.19 (6.30) | <0.0001 |
| Knock outs, median | 1.5 (0, 3.5) | 3.0 (2.0, 5.0) | 0.0011 |
| APOE ε4+ (%) | 25/82 (30%) | 12/52 (23%) | 0.4292 |
MMA, mixed martial art; TES, traumatic encephalopathy syndrome.