Demographic Characteristics of Participants According to Highest Level of American Football Played Among Brain Donors From the VA-BU-CLF Brain Bank, 2008–2019
| . | Highest Level of Play . | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| . | High School (n = 51) . | College (n = 60) . | Professional (n = 179) . | ||||||||||||
| Demographic Characteristic . | No. . | % . | Mean (SD) . | Median (IQRa) . | Range . | No. . | % . | Mean (SD) . | Median (IQR) . | Range . | No. . | % . | Mean (SD) . | Median (IQR) . | Range . |
| CTE status | |||||||||||||||
| CTE diagnosis | 22 | 9.4 | 47 | 20.0 | 166 | 70.6 | |||||||||
| No CTE diagnosis | 29 | 52.7 | 13 | 23.6 | 13 | 23.6 | |||||||||
| Age at death, years | 39 (16.2) | 36 (24–54) | 21–80 | 41 (13.4) | 42 (29–50) | 21–86 | 66 (15.2) | 70 (57–77) | 23–90 | ||||||
| Total duration of play, years | 7 (3.5) | 6 (4–10) | 1–16 | 12 (3.3) | 12 (9–14) | 4–17 | 17 (4.9) | 16 (14–20) | 5–33 | ||||||
| . | Highest Level of Play . | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| . | High School (n = 51) . | College (n = 60) . | Professional (n = 179) . | ||||||||||||
| Demographic Characteristic . | No. . | % . | Mean (SD) . | Median (IQRa) . | Range . | No. . | % . | Mean (SD) . | Median (IQR) . | Range . | No. . | % . | Mean (SD) . | Median (IQR) . | Range . |
| CTE status | |||||||||||||||
| CTE diagnosis | 22 | 9.4 | 47 | 20.0 | 166 | 70.6 | |||||||||
| No CTE diagnosis | 29 | 52.7 | 13 | 23.6 | 13 | 23.6 | |||||||||
| Age at death, years | 39 (16.2) | 36 (24–54) | 21–80 | 41 (13.4) | 42 (29–50) | 21–86 | 66 (15.2) | 70 (57–77) | 23–90 | ||||||
| Total duration of play, years | 7 (3.5) | 6 (4–10) | 1–16 | 12 (3.3) | 12 (9–14) | 4–17 | 17 (4.9) | 16 (14–20) | 5–33 | ||||||
Abbreviations: CTE, chronic traumatic encephalopathy, IQR, interquartile range; SD, standard deviation; VA-BU-CLF, Veterans Affairs–Boston University–Concussion Legacy Foundation.
a Quartile 1–quartile 3.
Demographic Characteristics of Participants According to Highest Level of American Football Played Among Brain Donors From the VA-BU-CLF Brain Bank, 2008–2019
| . | Highest Level of Play . | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| . | High School (n = 51) . | College (n = 60) . | Professional (n = 179) . | ||||||||||||
| Demographic Characteristic . | No. . | % . | Mean (SD) . | Median (IQRa) . | Range . | No. . | % . | Mean (SD) . | Median (IQR) . | Range . | No. . | % . | Mean (SD) . | Median (IQR) . | Range . |
| CTE status | |||||||||||||||
| CTE diagnosis | 22 | 9.4 | 47 | 20.0 | 166 | 70.6 | |||||||||
| No CTE diagnosis | 29 | 52.7 | 13 | 23.6 | 13 | 23.6 | |||||||||
| Age at death, years | 39 (16.2) | 36 (24–54) | 21–80 | 41 (13.4) | 42 (29–50) | 21–86 | 66 (15.2) | 70 (57–77) | 23–90 | ||||||
| Total duration of play, years | 7 (3.5) | 6 (4–10) | 1–16 | 12 (3.3) | 12 (9–14) | 4–17 | 17 (4.9) | 16 (14–20) | 5–33 | ||||||
| . | Highest Level of Play . | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| . | High School (n = 51) . | College (n = 60) . | Professional (n = 179) . | ||||||||||||
| Demographic Characteristic . | No. . | % . | Mean (SD) . | Median (IQRa) . | Range . | No. . | % . | Mean (SD) . | Median (IQR) . | Range . | No. . | % . | Mean (SD) . | Median (IQR) . | Range . |
| CTE status | |||||||||||||||
| CTE diagnosis | 22 | 9.4 | 47 | 20.0 | 166 | 70.6 | |||||||||
| No CTE diagnosis | 29 | 52.7 | 13 | 23.6 | 13 | 23.6 | |||||||||
| Age at death, years | 39 (16.2) | 36 (24–54) | 21–80 | 41 (13.4) | 42 (29–50) | 21–86 | 66 (15.2) | 70 (57–77) | 23–90 | ||||||
| Total duration of play, years | 7 (3.5) | 6 (4–10) | 1–16 | 12 (3.3) | 12 (9–14) | 4–17 | 17 (4.9) | 16 (14–20) | 5–33 | ||||||
Abbreviations: CTE, chronic traumatic encephalopathy, IQR, interquartile range; SD, standard deviation; VA-BU-CLF, Veterans Affairs–Boston University–Concussion Legacy Foundation.
a Quartile 1–quartile 3.
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