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Table 3 Relationship between distal vastus medialis and vastus lateralis cross-sectional areas and patella structures

From: Vastus medialis cross-sectional area is positively associated with patella cartilage and bone volumes in a pain-free community-based population

 

Univariate regression coefficient (95% CI)

Multivariate regression coefficient (95% CI)

R2 for model

Vastus medialis cross-sectional area, mm2

   Patella cartilage volume, mm3

1.5 (1.3, 1.8)a

0.58 (0.23, 0.94)a

0.472b

   Patella bone volume, mm3

9.09 (7.69, 10.50)a

3.04 (1.40, 4.68)a

0.592c

Vastus lateralis cross-sectional area, mm2

   Patella cartilage volume, mm3

1.67 (0.89, 2.44)a

-0.33 (-0.99, 0.33)

0.455b

   Patella bone volume, mm3

10.3 (6.19, 14.31)a

-1.31 (-4.40, 1.78)

0.574c

  1. aP < 0.01. bAge, gender, body mass index, and participation in vigorous physical activity and patella cartilage volume included in the multivariate regression equation. cAge, gender, body mass index, and participation in vigorous physical activity and patella bone volume included in the multivariate regression equation. CI, confidence interval.