Early to midterm results of "low-friction" articulating antibiotic spacers for septic total knee arthroplasty.

When we compared KSSs and ROM, we found that the retained spacer group had significantly better ROM (100 vs 85, P = .053) and tended to have higher scores (both preoperatively and postoperatively) as well; however, the latter differences did not reach statistical significance ( Table 3 ).

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