Table 5.
Average T1 and T2 relaxation times in articular cartilage of osteoarthritis patients vs. Kellgrens-Lawrence (KL) grades evaluated on plain radiographs
| KL grade | KL grade I (n = 9), mean ± SD | KL grade II (n = 16), mean ± SD | p- value |
|---|---|---|---|
| Average T1 relaxation times | |||
| MFC | 929.77 ± 231.57 | 1094.32 ± 93.61 | 0.01 |
| MTC | 927.18 ± 233.47 | 1106.13 ± 166.31 | 0.03 |
| LFC | 1016.69 ± 238.41 | 1189.60 ± 191.26 | 0.06 |
| LTC | 1036.09 ± 234.81 | 1201.34 ± 196.47 | 0.07 |
| Average T2 relaxation times | |||
| MFC | 52.91 ± 14.29 | 54.70 ± 10.93 | 0.70 |
| MTC | 55.41 ± 13.13 | 56.89 ± 9.50 | 0.70 |
| LFC | 52.05 ± 11.40 | 56.04 ± 6.73 | 0.27 |
| LTC | 53.09 ± 11.71 | 56.39 ± 7.19 | 0.38 |