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Table 3 Summary of multiple linear regression analysis, for prediction of medial and lateral tibial plateau subchondral trabecular bone microarchitecture parameters

From: Association between knee alignment, osteoarthritis disease severity, and subchondral trabecular bone microarchitecture in patients with knee osteoarthritis: a cross-sectional study

Dependent variables Model R2 (p value) ΔR2 (p value)
Medial
 BV/TV Age, sex, BMI 0.182 (0.004)  
Age, sex, BMI, HKA angle 0.509 (< 0.001) 0.326 (< 0.001)
 Tb.N Age, sex, BMI 0.213 (0.001)  
Age, sex, BMI, HKA angle 0.407 (< 0.001) 0.193 (< 0.001)
 Tb.Th Age, sex, BMI 0.103 (0.062)  
Age, sex, BMI, HKA angle 0.349 (< 0.001) 0.246 (< 0.001)
 Tb.Sp Age, sex, BMI 0.176 (0.004)  
Age, sex, BMI, HKA angle 0.407 (< 0.001) 0.231 (< 0.001)
 BS/BV Age, sex, BMI 0.174 (0.005)  
Age, sex, BMI, HKA angle 0.543 (< 0.001) 0.369 (< 0.001)
Lateral
 BV/TV Age, sex, BMI 0.108 (0.014)  
Age, sex, BMI, HKA angle 0.491 (< 0.001) 0.345 (< 0.001)
 Tb.N Age, sex, BMI 0.121 (0.034)  
Age, sex, BMI, HKA angle 0.349 (< 0.001) 0.228 (< 0.001)
 Tb.Th Age, sex, BMI 0.092 (0.089)  
Age, sex, BMI, HKA angle 0.335 (< 0.001) 0.243 (< 0.001)
 Tb.Sp Age, sex, BMI 0.177 (0.004)  
Age, sex, BMI, HKA angle 0.366 (< 0.001) 0.189 (< 0.001)
 BS/BV Age, sex, BMI 0.102 (0.064)  
Age, sex, BMI, HKA angle 0.374 (< 0.001) 0.272 (< 0.001)
  1. Significant values are in bold
  2. BMI body mass index, BV/TV bone volume fraction, Tb.N trabecular number, Tb.Th trabecular thickness, Tb.Sp trabecular separation, BS/BV specific bone surface