Anterolateral ligament reconstruction in addition to primary double-bundle anterior cruciate ligament reconstruction for grade 3 pivot shift improves residual knee instability during surgery

Journal of Experimental Orthopaedics

Table 1 Correlation with ACLR/ACLR + ALLR for acceleration or the ERAV ^a

	ACLR/ACLR + ALLR of acceleration		ACLR/ACLR + ALLR of ERAV
	R	P-value	R	P-value
Sex	-0.055	.829	-0.297	.232
Age, years	-0.396	.103	-0.337	.171
Time from injury to surgery, month	-0.086	.735	-0.359	.143
Medial meniscal injury without repair	0.203	.419	0.108	.671
Lateral meniscal injury	-0.210	.402	-0.121	.633
Posterior tibial slope, degree
Medial	0.146	.564	-0.033	.896
Lateral	0.248	.321	-0.179	.478
Side-to-side difference of ATT before operation, mm	0.302	.223	-0.118	.640
Acceleration
ACLD/intact	0.606*	.009*	-0.104	.680
ACLR/intact	0.503*	.035*	0.135	.592
ERAV
ACLD/intact	0.344	.163	0.430	.076
ACLR/intact	0.420	.084	0.267	.282

ACL anterior cruciate ligament, ALL, anterolateral ligament, ACLR/ACLR + ALLR ratio from the value after temporary fixation of the ACL graft to the value after temporary fixation of both ACL and ALL grafts, ERAV external rotational angular velocity, R correlation coefficient, ATT anterior tibial translation, ACLD/intact side-to-side ratio of injured to uninjured knees before operation, ACLR/intact side-to-side ratio of injured sides after fixation of ACL grafts to uninjured sides
^*Statistically significant correlations (P < .05)
^a Spearman’s rank correlation coefficient was used