Skip to main content

Table 2 Symptom onset data from contact sport athletes

From: Tau pathology in the medial temporal lobe of athletes with chronic traumatic encephalopathy: a chronic effects of neurotrauma consortium study

StagenAge at symptom onsetaRetirement to symptom onset (years)Symptom onset to death (years)
II11b36 ± 16 (17–62)10 ± 16 (− 10–36)12 ± 10 (1–34)
III1344 ± 15 (27–70)17 ± 17 (− 6–47)21 ± 12 (5–41)
IV1357 ± 14 (29–81)29 ± 17 (2–54)17 ± 11 (4–37)
  1. anumbers presented as mean ± SD (range)
  2. btwo CTE stage II individuals had no reported symptoms, and one CTE stage II individual had an unknown age of retirement