TABLE 2.

Player Release Rates: Concussion vs Nonconcussion Groups

	1-y Release Rates				3-y Release Rates
	Total Release	Retired	Traded	Cut	Total Release	Retired	Traded	Cut
Concussion (n = 307)
No.	103	96	7	0	206	142	15	49
%	33.6	31.3	2.3	0.0	67.1	46.3	4.9	16.0
Nonconcussion (n = 5587)
No.	1209	998	46	165	2404	1351	50	1003
%	21.6	17.9	0.8	3.0	43.0	24.2	0.9	18.0
P value between groups	4.02E-06				7.61E-20