TABLE 4.

Rates of Elbow Injuries by Season of Play^a

	Postseason Exposures, n	Preseason Exposures, n	Regular-Season Exposures, n	Postseason Injury Rate/10,000 AEs	Preseason Injury Rate/10,000 AEs	Regular-Season Injury Rate/10,000 AEs
Instability	931,960	7,969,763	16,866,008	0.408	1.221	1.291
Elbow impingement	931,960	7,969,763	16,866,008	N/A	0.035	0.013
Elbow infection	931,960	7,969,763	16,866,008	N/A	0.055	0.011
Elbow laceration	931,960	7,969,763	16,866,008	N/A	0.024	0.017
Elbow osteochondritis dissecans	931,960	7,969,763	16,866,008	N/A	N/A	0.012
Tendinitis	931,960	7,969,763	16,866,008	N/A	0.054	0.029
Olecranon bursitis	931,960	7,969,763	16,866,008	0.204	0.077	0.113
Ulnar collateral ligament strain	931,960	7,969,763	16,866,008	0.794	0.385	0.416
Ulnar nerve subluxation	931,960	7,969,763	16,866,008	N/A	N/A	0.034
Total	931,960	7,969,763	16,866,008	1.406	1.851	1.936

^aAE, athlete-exposure; N/A, not applicable.