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Table 2 Correlation between patients’ satisfaction scores and malalignment angle

From: All types of component malrotation affect the early patient-reported outcome measures after total knee arthroplasty

  KSS KOOS-Jr OKS SF-12
Correlation coefficient (r) and p value
Postoperative coronal limb malalignment −0.14 (>0.05) − 0.17 (>0.05) −0.15 (>0.05) −0.13 (>0.05)
Postoperative sagittal limb malalignment − 0.02 (>0.05) −0.06 (>0.05) −0.01 (>0.05) −0.13 (>0.05)
Femoral component malrotation − 0.55 (<0.001) −0.58 (<0.001) −0.62 (<0.001) −0.59 (<0.001)
Tibial component malrotation 0.20 (= 0.059) − 0.23 (= 0.041) 0.18 (= 0.086) −0.33 (= 0.005)
Rotation mismatch −0.47 (<  0.001) −0.21 (= 0.209) 0.03 (>  0.05) −0.49 (= 0.022)
Combined rotation 0.39 (= 0.077) −0.48 (= 0.035) 0.22 (>  0.05) 0.12 (>0.05)
  1. KSS Knee Society Score, KOOS-Jr Knee Disability and Osteoarthritis Outcome Score, Joint replacement, OKS Oxford Knee Score, SF-12 Short Form Health Survey-12
  2. P value < 0.05 is significant for those data in bold