Age-Adjusted Charlson Comorbidity Index Outperforms Other Comorbidity Measures in Predicting 90-Day Readmissions After Simultaneous Bilateral Total Knee Arthroplasty.
BACKGROUND Simultaneous bilateral total knee arthroplasty (TKA) is associated with increased perioperative risk compared with unilateral procedures, making accurate risk stratification essential. Several comorbidity indices are widely used in arthroplasty; however, their comparative performance in simultaneous bilatera...