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Table 4 Relationships between subchondral trabecular bone microarchitecture parameters and OA severity index

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

Parameters

OARSI score

K-L grade

Medial

Lateral

Medial

Lateral

HKA

0.792 (0.683, 0.862)**

− 0.365 (− 0.550, − 0.123)**

0.743 (0.616, 0.831)**

− 0.325 (− 0.543, − 0.097)**

BV/TV

0.853 (0.782, 0.913)**

0.754 (0.643, 0.837)**

0.742 (0.608, 0.852)**

0.674 (0.519, 0.789)**

Tb.N

0.607 (0.464, 0.728)**

0.625 (0.486, 0.755)**

0.588 (0.397, 0.734)**

0.570 (0.388, 0.711)**

Tb.Th

0.743 (0.642, 0.828)**

0.599 (0.434, 0.743)**

0.651 (0.501, 0.770)**

0.518 (0.320, 0.678)**

Tb.Sp

− 0.649 (− 0.752, − 0.520)**

− 0.625 (− 0.739, − 0.497)**

− 0.574 (− 0.716, − 0.385)**

− 0.560 (− 0.705, − 0.379)**

BS/BV

− 0.840 (− 0.894, − 0.767)**

− 0.705 (− 0.811, − 0.577)**

− 0.713 (− 0.819, − 0.573)**

− 0.579 (− 0.724, − 0.392)**

  1. The indicated values are Pearson’s or Spearman’s coefficient and 95% confidence interval in brackets
  2. BV/TV bone volume fraction, Tb.N trabecular number, Tb.Th trabecular thickness, Tb.Sp trabecular separation, BS/BV specific bone surface
  3. **P < 0.01
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Arthritis Research & Therapy

ISSN: 1478-6362

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