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Table 1 Demographic and exposure characteristics of subject groups

From: Microglial neuroinflammation contributes to tau accumulation in chronic traumatic encephalopathy

  n Mean age at death (yrs) Age of first exposure to RHI (yrs) Years exposure to head injury Number of reported concussions Age of symptom onset Cases with dementia
Controls 16 76 ± 3 N/A 0 0.1 ± 0.1 N/A 0.00 %
RHI without CTE 18 32 ± 4 10 ± 0.5 9 ± 1 30.1 ± 9.2 27 ± 4 5.56 %
CTE Mild (Stage I & II) 13 44 ± 6 14 ± 1 15 ± 0.8 41.5 ± 16.4 34 ± 6 7.69 %
CTE Severe (Stage III & IV) 35 66 ± 2 12 ± 0.5 17 ± 0.7 38.4 ± 12.6 48 ± 3 48.57 %
  1. Data expressed as mean ± SEM