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Table 4 Correlation coefficients between intraoperative tibial internal rotation and postoperative clinical scores in elderly patients (aged ≥75 years)

From: Intraoperative rotational kinematics and its influence on postoperative clinical outcomes differ according to age in Unicompartmental knee Arthroplasty

  Tibial internal rotation  
Ex~full Flex Ex~ 90° 90° ~ full Flex
KOOS
 Pain −0.04 −0.24 0.04
 Symptom −0.09 −0.25 0.03
 ADL −0.04 − 0.15 0.05
 Sports 0.01 −0.02 0.06
 QOL − 0.05 − 0.17 0.03
Knee Society functional score −0.08 0.16 −0.15
Knee flexion angle 0.01 −0.21 0.02
  1. Data presented as correlation coefficient
  2. *Correlations are statistically significant (p < 0.05)
  3. KOOS knee injury and osteoarthritis outcome score, ADL activities of daily living, QOL quality of life