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Table 1 Patient demographics and imaging characteristics

From: A controlled study of personalized versus standard osteotomy in medial unicompartmental knee osteoarthritis

Variables

Personalized Osteotomy(n = 51)

Standard Osteotomy(n = 33)

Homogeneous or not

P Value

Age (years)

66.08 ± 6.86

66.33 ± 6.28

Yes

0.8641

Sex (M/F)

13(25.49%)/38(74.51%)

9(27.27%)/24(72.73%)

–

0.8560

BMI (kg/m2)

24.32 ± 3.10

24.39 ± 2.73

Yes

0.9124

Left/Right

22(43.14%)/29(56.86%)

12(36.37%)/21(63.63%)

–

0.5368

MPTA

88(85.6–89.45)

87.1(85.9–87.7)

–

0.0970

LDFA

88.49 ± 2.77

88.38 ± 2.55

Yes

0.8468

HKA angle

4.86 ± 3.49

5.59 ± 3.41

Yes

0.3416

aHKA

 − 1.1(−3.05–1.2)

 − 1.7(−3.4–0.3)

–

0.2471

  1. BMI, body mass index; MPTA, medial proximal tibial angle; LDFA, lateral distal femoral angle; HKA, hip–knee–ankle; aHKA, arithmetic hip–knee–ankle. Sex and left/right were categorical variables that were tested using chi-square tests and did not require ANOVA. The mPTA and aHKA angle were not normally distributed so the Mann‒Whitney U test was performed, and ANOVA was not required
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X