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Table 1 Patient characteristics

From: Distal femoral osteotomy versus lateral unicompartmental arthroplasty for isolated lateral tibiofemoral osteoarthritis with intra-articular and extra-articular deformity: a propensity score-matched analysis

 

Opening-wedge DFO group

(N = 29 patients)

Lateral UKA group

(N = 29 patients)

p-value

Mean age, years (SD)

52.4 (3.52)

53.8 (2.2)

0.11

Mean BMI, kg/m2 (SD)

24.2 (2.53)

25.64 (1.5)

0.11

Female gender, no. (%)

25 (86%)

25 (86%)

0.79

Follow-up (years), mean (SD)

6.23 (1.87)

6.9 (1.92)

0.10

Grade OA compartment (KL)

 Lateral

3.40 (0.55)

3.6 (0.57)

0.52

 Medial

0.80 (0.63)

1.00 (0.73)

0.48

 Patellofemoral joint

1.10 (0.82)

1.05 (0.75)

0.65

Analysis of deformity

 HKA

−9.51 (2.35)

−9.67 (4.23)

0.82

 MPTA

91.6 (3.2)

90.5 (2.2)

0.20

 mLDFA

83.5 (1.5)

84.5 (1.6)

0.52

 JLCA

4.12 (1.07)

5.01 (1.2)

0.22

  1. Data are expressed as mean and standard deviation (SD). BMI body mass index, KL Kellgren–Lawrence, HKA hip-knee-ankle angle, MPTA medial proximal tibia angle, mLDFA mechanical lateral distal femoral angle, JLCA joint line convergence angle; negative values are used for valgus alignment