TABLE 2.

Elbow Injury Rate Ratios by Event Type^a

	Weighted Competition Injuries, n	Weighted Practice Injuries, n	Total, n	Competition Exposures, n	Practice Exposures, n	Competition Injury Rate/10,000 AEs	Practice Injury Rate/10,000 AEs	Competition/Practice Rate Ratio	95% CI
Instability	1491	1698	3189	2,502,993	23,264,738	5.957	0.730	8.16	5.73-11.62
Elbow impingement	0	51	51	2,502,993	23,264,738	0.000	0.022	0.00	N/A
Elbow infection	0	63	63	2,502,993	23,264,738	0.000	0.027	0.00	N/A
Elbow laceration	28	19	47	2,502,993	23,264,738	0.112	0.008	13.70	0.86-219.00
Elbow osteochondritis dissecans	21	0	21	2,502,993	23,264,738	0.084	N/A	N/A	N/A
Tendinitis	0	92	92	2,502,993	23,264,738	0.000	0.040	0.00	N/A
Olecranon bursitis	190	81	271	2,502,993	23,264,738	0.759	0.035	21.80	6.15-77.26
Ulnar collateral ligament strain	536	546	1082	2,502,993	23,264,738	2.141	0.235	9.12	4.74-17.55
Ulnar nerve subluxation	0	58	58	2,502,993	23,264,738	0.000	0.025	0.00	N/A
Total	2266	2608	4874	2,502,993	23,264,738	9.053	1.121	8.08	6.04-10.80

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