Table 3.
Correlation coefficient between the microstructure and OARSI score in the OA, OP-OA, and NC groups.
| OA | OP-OA | NC | |
|---|---|---|---|
| BV/TV (%) | −0.79** | −0.70** | −0.12 |
| pBV/TV (%) | −0.84** | −0.78** | −0.28 |
| rBV/TV (%) | −0.57 | 0.05 | 0.47 |
| pBV/BV (%) | 0.26 | −0.77** | −0.43 |
| rBV/BV (%) | −0.26 | 0.77** | 0.43 |
| pTb.N (1/mm) | −0.76** | −0.63* | −0.24 |
| rTb.N (1/mm) | −0.72* | 0.18 | −0.04 |
| pTb.Th (mm) | −0.72* | −0.65* | 0.04 |
| rTb.Th (mm) | 0.02 | −0.33 | 0.51 |
| pTb.S (mm2) | −0.15 | −0.55 | 0.29 |
| rTb.l (mm) | −0.32 | −0.15 | 0.45 |
| RR Junc.D (1/mm3) | −0.55 | 0.29 | 0.16 |
| R-P Junc.D (1/mm3) | −0.81** | −0.21 | −0.11 |
| P-P Junc.D (1/mm3) | −0.73* | −0.36 | −0.12 |
Symbol “*” indicates correlation between the ITS-based subchondral microstructure and OARSI score.
*
Indicates p < 0.05.
**
Indicated p < 0.01.