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Table 3 Longitudinal associations between the morphological parameters of PTFJ and changes in medial tibial cartilage volume

From: Associations between the morphological parameters of proximal tibiofibular joint (PTFJ) and changes in tibiofemoral joint structures in patients with knee osteoarthritis

 

Univariable

Multivariablea

β (95% CI)

β (95% CI)

Change of medial tibial cartilage volume

 Ave_COR_ang

0.001 (− 0.001, 0.004)

0.001 (− 0.001, 0.003)

 Ave_SAG_ang

0.001 (− 0.002, 0.004)

0.002(− 0.001, 0.005)

 S

− 0.061(− 0.089, − 0.033)

− 0.062(− 0.097, − 0.027)

 Sτ

− 0.070 (− 0.104, − 0.037)

− 0.070(− 0.108, − 0.029)

 Sφ

0.030(− 0.037, 0.103)

0.050(− 0.021,0.121)

 Sυ

− 0.076(− 0.119, − 0.034)

− 0.066(− 0.119, − 0.014)

  1. Abbreviations: PTFJ, proximal tibiofibular joint; Ave_COR_ang, the average angles of PTFJ in coronal plane; Ave_SAG_ang, the average angles of PTFJ in sagittal plane; S, contacting area of PTFJ; Sτ, load-bearing area of PTFJ; Sφ, lateral stress-bolstering area of PTFJ; Sυ, posterior stress-bolstering area of PTFJ; ROA, radiographic osteoarthritis
  2. aAdjusted for age, sex, height, weight, tibial plateau bone area, ROA, and intervention