Abstract
IntroductionThe anterior cruciate ligament (ACL) is a commonly affected knee ligament prone to frequent injuries. Henceforth, we aimed to determine the diagnostic accuracy of lever sign test in Acute and chronic ACL injuries. MethodAt the institution's initial outpatient visit, 150 consecutive patients (92 males and 58 females) were evaluated. Total 108 patients had injury in their right leg, whereas 42 had injury in their left leg. Based on time since injury, the patients were divided into Acute and chronic groups. Clinical examinations (lachman's test and lelli's test) of all patients were confirmed with arthroscopic findings and compared between the two groups. ResultsIn the acute ACL injury, the lever test had a kappa value 0.704. The accuracy and sensitivity of the Lachman, anterior drawer, pivot shift, and lever tests were calculated. We found that the lever test had the highest accuracy and sensitivity (85.48 %, 91.18 %) than the rest. In the chronic ACL injury, the kappa value for the results of the Lachman test evaluation was 0.723. The chronic ACL injuries accuracy and sensitivity values for the Lachman (86.36 %, 91.67 %), anterior drawer (76.14 %, 81.25 %), pivot shift (55.68 %, 58.49 %), and lever tests were determined. ConclusionThe lever sign test is more accurate and reliable in the acute ACL injuries, while the Lachman test is more accurate and reliable in the chronic ACL injuries.
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