Observational Study
Copyright ©The Author(s) 2024.
World J Orthop. May 18, 2024; 15(5): 444-456
Published online May 18, 2024. doi: 10.5312/wjo.v15.i5.444
Table 5 Correlation analysis: Post-operative radiographic parameters and post-operative patient reported outcome measures
UKA Group
HTO Group

Angle of Mikulicz line, r (P value1)
HKA, r (P value1)
MAD, r (P-value1)
Angle of Mikulicz line, r (P-value1)
HKA, r (P-value1)
MAD, r (P-value1)
KOOS:
Pain-0.17 (0.483)-0.15 (0.518)-0.07 (0.760)0.13 (0.716)0.41 (0.238)0.53 (0.119)
Symptoms-0.17 (0.450)-0.07 (0.772)0.02 (0.922)0.26 (0.436)0.65 (0.032a)0.62 (0.040a)
ADLs-0.22 (0.328)-0.05 (0.837)0.01 (0.961)0.09 (0.790)0.59 (0.055)0.62 (0.041a)
Sport/Rec-0.21 (0.459)0.15 (0.584)0.28 (0.317)0.46 (0.178)0.5 (0.103)0.53 (0.113)
QoL-0.27 (0.249)-0.11 (0.635)-0.03 (0.898)0.14 (0.693)0.58 (0.080)0.60 (0.065)
Overall-0.26 (0.357)-0.01 (0.959)0.12 (0.676)0.32 (0.373)0.65 (0.041a)0.68 (0.031a)
OKS-0.34 (0.137)-0.02 (0.950)0.03 (0.884)0.24 (0.481)0.65 (0.032a)0.61 (0.045a)
EQ-5DIndex-0.23 (0.334)-0.70 (0.768)0.01 (0.974)-0.13 (0.724)0.47 (0.175)0.45 (0.191)
EQ-5DVAS-0.23 (0.304)-0.02 (0.942)0.03 (0.881)0.10 (0.776)0.21 (0.534)0.21 (0.544)
SF-12 PCS -0.14 (0.584)-0.13 (0.615)-0.02 (0.929)-0.07 (0.850)0.15 (0.680)0.18 (0.616)
SF-12 MCS-0.49 (0.041a)-0.24 (0.341)-0.19 (0.455)-0.02 (0.953)0.38 (0.279)0.29 (0.422)
1Pearson’s product-moment correlation analysis.
aP < 0.05, statistically significant.
r: Correlation co-efficient; UKA: Unicompartmental knee arthroplasty; HTO: High tibial osteotomy; PROM: Patient reported outcome measures; HKA: Hip knee ankle angle; MAD: Mechanical axis deviation; KOOS: Knee injury and osteoarthritis outcome score; ADL: Activities of daily living; Sport/Rec: Sport & recreation; QoL: Quality of Life; OKS: Oxford knee score; EQ-5Dindex: EuroQol–5 dimension descriptive component; EQ-5Dvas: EuroQol–5 dimension visual analogue scale; SF-12 PCS: 12 Item Short Form Survey Physical Component Score; SF-12 MCS: 12 Item Short Form survey mental component score.