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. 2013 Mar 6;8(3):e56805. doi: 10.1371/journal.pone.0056805

Table 1. Demographics and characteristics of players enrolled for the study.

University of Rochester (n = 10) Cleveland Clinic (n = 27)
Race, No. (%)
 Caucasian 9 (90%) 24 (%89)
 African American 1 (10%) 3 (%11)
BMI, mean (SD) 28.57 (SD 5.6) 31.0 (SD 4.5)
Previous Head Injury, No. (%) 1(10%) 18 (67%)
Position
 Offensive Back 2 (20%) 3 (11)
 Offensive Lineman 2(20%) 7 (26)
 Defensive Back 3(30%) 11 (41)
 Defensive Lineman 3 (30%) 5 (18)
 Special Teams 0 1 (4)