Table 1.
Correlations between biochemical markers
| Marker | Pyridinoline | YKL-40 | MMP-3 | MMP-9 | TIMP-1 |
| CRP | 0.027 (0.2184) | 0.103 (0.0009) | 0.050 (0.4047) | -0.007 (0.8462) | 0.300 (0.0528) |
| Pyridinoline | 0.090 (0.0198) | 0.490 (0.0272) | 0.186 (0.0554) | 0.206 (0.0973) | |
| YKL-40 | 0.382 (0.0046) | 0.154 (0.1027) | 0.083 (0.0682) | ||
| MMP-3 | 0.081 (0.0938) | -0.001 (0.6267) | |||
| MMP-9 | -0.282 (0.1033) |
Correlation coefficients and P values (in parenthesis) were determined with the Spearman rank test. CRP, C-reactive protein; MMP, matrix metalloproteinase; TIMP, tissue inhibitor of metalloproteinases.