Towards improving the identification of anterior cruciate ligament tears in primary point-of-care settings

Table 4 Variables prioritized for univariable logistic regression based on univariable statistics, practitioner survey, literature review and data availability by study group

Prioritized Variable		Incidental Variable⁺	Total EMRs	ACL⁺ EMRs	ACL⁻ EMRs
Included	Age		725	444	281
	Sex		725	444	281
	Sport-related injury		725	444	281
		Time between injury and consultation	725	444	281
		Valgus stress test result	690	427	263
	Lachman test result		672	418	254
		Varus stress test result	647	406	241
	Posterior drawer test result		627	397	230
	Family history of ACL tear		550	343	207
	Immediate swelling		497	321	176
Excluded	History of knee instability		452	312	140
	Pivot shift test result		400	270	130
	Contact vs. non-contact		352	263	89
	Pop at time of injury		305	230	75
	History of inability to RTS		261	206	55

⁺Incidental variable = a variable available in the dataset despite not being prioritized based on univariate between group comparison, practitioner survey or literature review
ACL Anterior Cruciate Ligament, ACL⁺ ACL full-thickness tear, ACL⁻ ACL intact, EMRs electronic medical records, RTS return to sport

ISSN: 1471-2474