Table 1.

Comparison of Participant Characteristics Between Players With and Without a Previous ACL Injury (n = 746) ^a

	Previous ACL Injury (n = 67)	No Previous ACL Injury (n = 679)	P	MD (95% CI)
Age, y	23.2 ± 4.1	20.6 ± 3.9	<.001	2.6 b (1.6 to 3.6)
Body mass, kg	68.0 ± 7.8	66.1 ± 7.7	.041	1.9 b (0.1 to 3.7)
Height, cm	170.5 ± 6.4	169.5 ± 6.3	.158	1.1 (–0.4 to 2.6)

^aValues are expressed as mean ± SD unless otherwise noted. ACL, anterior cruciate ligament; MD, mean difference.

^bSignificant mean difference (P≤ .05).