Table 2

Minimal joint space width and PIICP concentration at baseline and at four year follow up

Subjects available at the baseline n=110 (mean (SD (range))Subjects available at the follow up n=110 (mean (SD (range))Healthy controls* n=109 (mean (SD (range))
*Taken at the baseline of the study subjects.
Minimal joint space width (mm)3.4 (0.3 (2.6−4.3))2.9 (0.5 (1.6−4.2))3.6 (0.3 (2.8−4.4))
PIICP (ng/ml)2.09 (0.86 (0.69−5.10))2.40 (1.35 (0.88− 8.58))0.68 (0.24 (0.20−1.44))
Ln PIICP (units)0.66 (0.38 (−0.36− 1.63))0.76 (0.47 (−0.11− 2.15))−0.39 (0.17 (−1.61−0.37))