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Table 7 Univariate analysis of factors related to the RTS level

From: Return to sports activity after opening wedge high tibial osteotomy in patients aged 70 years and older

Factors Same or greater level Lesser level 95% CI P value
(n = 41) (n = 14)
Age (years) 70.3 ± 6.9 68.1 ± 8.0 −0.012 to 0.014 0.89
Gender (male, %) 22 35.7 −0.311 to 0.091 0.27
Body mass index (kg/m2) 24.7 ± 3.4 24.8 ± 3.2 −0.017 to 0.028 0.63
Size of medial opening gap (mm) 12.2 ± 2.4 13.3 ± 3.3 −0.071 to 0.019 0.26
sFTA (degrees) Preop 180.1 ± 2.3 181.1 ± 2.6 −0.049 to 0.036 0.75
Postop 171.3 ± 2.7 171.2 ± 2.5 −0.031 to 0.034 0.92
Knee score Preop 55.7 ± 11.6 63.1 ± 10.7 −0.017 to −0.002 0.02
Postop 85.7 ± 9.5 82.5 ± 9.7 −0.012 to 0.017 0.72
Function score Preop 65.3 ± 12.0 64.4 ± 10.4 −0.003 to 0.012 0.23
Postop 90.1 ± 9.7 85.8 ± 16.0 −0.009 to 0.014 0.66
Preop. Tegner activity scale 3.5 ± 1.7 3.9 ± 1.4 −0.375 to −0.194  < 0.01
  1. The values are given as mean ± standard deviation