Table 3

Imbalance of baseline measures of standardized cartilage biomarkers and prediction of subsequent cartilage loss on magnetic resonance imaging


Unadjusted OR (95% CI)
R2
AUC
P value
Adjusted ORa (95% CI)

CTX/CPII
0.72 (0.03, 16.66)
0.001
0.52
0.84
0.53 (0.02, 13.23)
C2C/CPII
<0.001 (<0.001, 1.14)
0.04
0.60
0.05
0.001 (<0.001, 1.46)
C1,2C/CPII
0.24 (0.002, 39.12)
0.003
0.52
0.59
0.31 (0.002, 52.18)
C1,2C/C2C
0.19 (0.02, 2.12)
0.02
0.57
0.18
0.22 (0.02, 2.48)
Col2CTX/Cr ratio/C2C
1.60 (0.31, 8.19)
0.003
0.52
0.57
1.37 (0.26, 7.40)

aAdjusted for age, gender, and body mass index. AUC, area under the curve; C2C, collagenase cleavage of triple-helical type II collagen; CI, confidence interval; Col2CTx, Crosslinked peptides from the C-telopeptide domain of type II collagen; CPII, C-propeptide of type II collagen; OR, odds ratio.

Hunter et al. Arthritis Research & Therapy 2007 9:R108   doi:10.1186/ar2314