Table 1

Proportional odds model—differences between groups

Cohort	Compared with ACL leg								Compared with contralateral leg
Cohort	Normal controls				Elite athletes				Normal controls				Elite athletes
Test	RIS	LL	UL	P value	RIS	LL	UL	P value	RIS	LL	UL	P value	RIS	LL	UL	P value
Double leg squat	1.73	1.16	2.57	<0.01	0.44	0.25	0.77	<0.01	1.12	0.74	1.68	0.60	0.38	0.21	0.67	<0.01
Single leg squat	1.13	0.75	1.69	0.57	0.47	0.26	0.85	0.01	1.66	1.10	2.51	0.02	0.70	0.40	1.24	0.23
Single leg hop	1.04	0.66	1.63	0.86	1.57	0.89	2.77	0.12	0.59	0.38	0.92	0.02	0.65	0.37	1.16	0.15
Box drop double leg land, left leg lead	1.33	0.85	2.08	0.21	0.66	0.36	1.20	0.17	1.17	0.76	1.80	0.47	1.54	0.86	2.73	0.14
Box drop double leg land, right leg lead	1.85	1.18	2.91	<0.01	0.97	0.54	1.74	0.91	2.12	1.36	3.31	<0.01	1.20	0.67	2.16	0.55
Box drop single leg land	1.64	1.05	2.57	0.03	0.88	0.49	1.56	0.66	1.12	0.72	1.74	0.61	0.76	0.42	1.35	0.35

As a general rule, the ACL cohort performed better than the normal controls (RIS >1) but the elite athletes performed better than the ACL cohort (RIS <1). RIS >1 means more likely have deviation from neutral alignment, where as a RIS <1 means less likely to have deviation from neutral alignment. The greater the RIS value, the greater amount of varus or valgus compared with the ACL cohort. Results to two decimal places.
ACL, anterior cruciate ligament; LL, lower limit for RIS; RIS, relative importance score; UL, upper limit for RIS.