Return to Work or Sport After Multiligament Knee Injury: A Systematic Review of 21 Studies and 524 Patients.

Purpose: To systematically review multiligament knee injury (MLKI) outcome studies to determine overall rates of return to work or sport after MLKI and risk factors for lack of return to work or sport after MLKI.

Methods: A search was performed of MLKI outcome studies from 1950 to March 1, 2017. Ninety-two studies were identified.