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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