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. 2005 Dec 30;8(1):R21. doi: 10.1186/ar1875

Table 2.

Characteristics of osteoarthritis patients at baseline

Slow Intermediate Fast P valuea
Number 48 48 11
Age 60.9 ± 7.5 63.0 ± 7.7 66.0 ± 5.0b 0.08
Female (%) 68% 64% 45% 0.35
Weight (kg) 78.8 ± 14.0 83.0 ± 14.7 89.7 ± 13.5b 0.06
Body mass index 29.6 ± 4.3 31.0 ± 4.3 32.6 ± 2.7b 0.06
Joint space width (mm) 2.98 ± 0.68 2.81 ± 0.58 2.74 ± 0.58 0.31
Global cartilage volume (mm3) 10,013 ± 2,512 10,425 ± 2,882 11,248 ± 2,557 0.37
Medial cartilage volume (mm3) 4,682 ± 1,155 4,936 ± 1,434 5,245 ± 1,165 0.36

Values are mean ± standard deviation. ap values from ANOVA. bp < 0.05, two-sample t test, fast versus slow.