Does surgeon handedness affect the outcomes after primary total knee arthroplasty? A retrospective cohort study.

It is worth noting that Liu et al [ 28 ] evaluated the individual component positioning in the sagittal plane; they reported that the femoral component sagittal plane orientation, measured as the posterior distal femoral angle (PDFA), showed a significant difference between both sides, where PDFA for the dominant vs non-dominant side was 90.0 ± 3.3 vs 88.4 ± 3.9, respectively, P = 0.032, with more femoral components placed within the neutral position in the dominant group (72% vs 66%), but the difference did not reach statistical significance ( P = 0.517).

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