Table 4

Relationship between fruit and vegetable intake and knee structures


Univariate analysis
Multivariate analysis



Regression coefficient (odds ratio (95% confidence interval))
P value
Regression coefficient (odds ratio (95% confidence interval))
P value

Fruit




     Cartilage volumea
-154.2 (-269.9 to -38.5)
0.01
-55.7 (-126.4 to 15.0)
0.12
     Cartilage defectsb
1.08 (0.87–1.34)
0.46
1.06 (0.84–1.34)
0.62
     Bone areac
-58.0 (-107.3 to -8.7)
0.02
-27.8 (-54.9 to -0.7)
0.04
     Bone marrow lesionsd
0.75 (0.55–1.03)
0.07
0.72 (0.52–0.99)
0.05
Vegetables




     Cartilage volume
-120.4 (-241.5 to 0.6)
0.05
20.6 (-52.0 to 93.1)
0.58
     Cartilage defects
0.99 (0.79–1.24)
0.93
0.93 (0.73–1.17)
0.52
     Bone area
-66.5 (-117.7 to -15.4)
0.01
-2.1 (-30.2 to 26.0)
0.88
     Bone marrow lesions
1.05 (0.77–1.45)
0.76
1.01 (0.72–1.42)
0.97

aChange in tibial cartilage volume (mm3) per serving per day increase in fruit/vegetables intake before and after adjusting for energy intake, age, gender, body mass index, and tibial plateau bone area.

bOdds ratio of tibiofemoral cartilage defects being present per serving per day increase in fruit/vegetables intake before and after adjusting for energy intake, age, gender, body mass index, and tibial cartilage volume.

cChange in tibial plateau bone area (mm2) per serving per day increase in fruit/vegetables intake before and after adjusting for energy intake, age, gender, and body mass index.

dOdds ratio of tibiofemoral bone marrow lesions being present per serving per day increase in fruit/vegetables intake before and after adjusting for energy intake, age, gender, and body mass index.

Wang et al. Arthritis Research & Therapy 2007 9:R66   doi:10.1186/ar2225