Skip to main content

Table 1 Characteristics of participants

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

Characteristics

Low load-bearing area n = 204

High load-bearing area n = 204

P value

Age, years

62.9 ± 7.0

63.5 ± 7.2

0.37

Female (%)

138 (67.6%)

67 (32.8%)

<0.001

Height, cm

165.3 ± 9.0

171.7 ± 9.2

<0.001

Weight, kg

81.8 ± 16.4

86.5 ± 14.9

0.003

Tibial bone area, cm2

30.6 ± 4.6

34.8 ± 5.2

<0.001

ROA (0–30)

7.2 ± 5.0

7.4 ± 5.1

0.74

MTF cartilage defects (0–8)

4.3 ± 1.8

5.2 ± 2.3

<0.001

LTF cartilage defects (0–8)

4.3 ± 1.7

4.2 ± 1.9

0.33

MTF BMLs (0–18)

0.8 ± 1.6

1.9 ± 2.6

<0.001

LTF BMLs (0–18)

0.9 ± 1.4

0.9 ± 1.3

0.97

MT cartilage volume

1.4 ± 0.4

1.6 ± 0.4

<0.001

LT cartilage volume

2.0 ± 0.7

2.1 ± 0.7

0.08

  1. Participants were grouped into two groups (high or low load-bearing area) based on the median of the load-bearing area (1.68 cm2). Results are shown as frequency (%) or mean (SD)
  2. Abbreviations: ROA Radiographic OA, MTF Medial tibiofemoral, LTF Lateral tibiofemoral, BMLs Bone marrow lesion, MT Medial tibial, LT Lateral tibial