Open Access

Table 4

Literature published comparing outcomes after UKA versus TKA for isolated medial arthritis of the knee.

Author Study design Outcome measures Study population Remarks
Casper et al. [14] Multicentre, Retrospective, 2-year follow-up KSS-2015 83 UKA No PROMS assessed
Propensity score weighted cohorts 50 TKA Only demonstrated trends in differences in sub-scores of KSS
Improved function but equivalent KSS-Satisfaction
Sershon et al. [39] Single centre RCT KOOS Jr 57 UKA Comparable early outcomes at 6-months
FJS 50 TKA Caucasian Population
VR-12, ROM
Kulshrestha et al. [32] RCT KOS-ADLS 36 UKA Comparable in all outcome measures
Delaware index
Amin et al. [38] Matched Cohort Study (Retrospective) KSS 54 UKA No functional difference
5-year survival 54 TKA Better survivorship with TKA
Newman et al. [30] RCT BKS, Complications and Revisions 50 UKA Comparable functional outcomes, ROM
52 TKA No PROMs assessed
Weale et al. [34] RCT VAS, ROM 50 UKA No PROMs assessed
52 TKA
Costa et al. [37] RCT, UKA and TKA in the same patient undergoing bilateral arthroplasty VAS, ROM 34 UKA Comparable functional outcomes and ROM
Complications and revision 34 TKA No PROMS assessed
Sun and Jia [36] RCT KSS 28 UKA Comparable functional outcomes and ROM
ROM, Complications and revision 28 TKA No PROMS assessed
Dalury et al. [35] Retrospective, UKA and TKA in the same patient undergoing bilateral arthroplasty KSS 23 Patients Comparable KSS at final follow up
ROM No PROMS assessed
Knifsund et al. [29] RCT OKS 69 UKA Comparable outcomes
Beard et al. [31] RCT (TOPKAT Trial) OKS 233 UKA
  • Similar clinical outcomes

  • Similar complication and revision rates

  • UKA more cost-effective

KSS 231A
UCLA Score

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