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Table 5 Relationships between knee alignment (hip-knee-ankle angle) and subchondral trabecular bone microarchitecture parameters for varus and valgus alignment group

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

Paramaters Medial Lateral M:L
Varus (n = 60)
 BV/TV 0.466 (0.200, 0.654)** − 0.277 (− 0.462, − 0.048)* 0.628 (0.357, 0.776)**
 Tb.N 0.295 (0.079, 0.503)* − 0.291 (− 0.511, 0.021)* 0.539 (0.220, 0.733)**
 Tb.Th 0.432 (0.153, 0.661)** − 0.225 (− 0.412, − 0.016) 0.503 (0.298, 0.659)**
 Tb.Sp − 0.332 (− 0.511, − 0.094)** 0.389 (0.019, 0.609)** − 0.459 (− 0.635, − 0.223)**
 BS/BV − 0.479 (− 0.632, − 0.255)** 0.282 (0.068, 0.475)* − 0.530 (− 0.664, − 0.323)**
Valgus (n = 11)
 BV/TV 0.685 (0.520, 0.893)* − 0.645 (− 0.924, − 0.040)* 0.674 (0.443, 0.888)*
 Tb.N 0.616 (− 0.072, 0.927)* − 0.243 (− 0.796, − 0.347) 0.428 (− 0.245, 0.815)
 Tb.Th 0.399 (− 0.142, 0.770) − 0.315 (− 0.917, − 0.569) 0.733 (0.476, 0.906)*
 Tb.Sp − 0.696 (− 0.955, 0.057)* 0.223 (− 0.345, 0.756) − 0.590 (− 0.903, 0.105)
 BS/BV − 0.556 (− 0.823, − 0.250) 0.507 (− 0.304, 0.867) − 0.841 (− 0.964, − 0.486)**
  1. The indicated values are Pearson’s or Spearman’s coefficient and 95% confidence interval in brackets
  2. M:L medial-to-lateral ratio, BV/TV bone volume fraction, Tb.N trabecular number, Tb.Th trabecular thickness, Tb.Sp trabecular separation, BS/BV specific bone surface
  3. *P < 0.05, **P < 0.01