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Table 3 Relationship between malalignment and patients’ satisfaction scores

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

Variable Category KSS score KOOS-JR score OKS score SF-12
Coronal  • Normal 70.90 ± 12.7 74.03 ± 10.7 38.95 ± 5.4 31.64 ± 2.5
 • Outliers 71.67 ± 13.3 74.24 ± 10.3 39.71 ± 4.8 31.14 ± 2.5
P value* = 0.829 = 0.940 = 0.575 = 0.541
Sagittal  • Normal 71.33 ± 9.9 74.40 ± 9.1 40.20 ± 4.3 31.00 ± 2.5
 • Outliers 71.11 ± 13.7 74.00 ± 10.9 38.89 ± 5.4 31.56 ± 2.6
P value* = 0.946 = 0.890 = 0.346 = 0.464
Axial Femur  • Normal 78.91 ± 8.5 80.50 ± 8.1 42.19 ± 3.9 33.22 ± 1.8
 • Outliers 62.32 ± 11.2 66.79 ± 7.7 35.82 ± 4.3 29.36 ± 1.3
P value* <0.001 <0.001 <0.001 <0.001
Axial Tibia  • Normal 81.25 ± 5.7 82.29 ± 7.0 43.00 ± 3.2 33.82 ± 0.9
 • Outliers 62.34 ± 10.5 66.94 ± 7.2 35.91 ± 4.1 29.31 ± 1.2
P value* <0.001 <0.001 <0.001 <0.001
  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. *The t test was used to compare the mean difference between the two groups
  3. P value < 0.05 is significant for those data in bold