Table 3.
Summary of dGEMRIC T1 values (msec) by radial plane at the superficial and deep zones
| Radial plane | Deep zone | |||
|---|---|---|---|---|
| Preoperative | Year 1 | Year 2 | p value | |
| A | 516 (± 124) | 485 (± 131) | 503 (± 113) | 0.59 |
| AS | 537 (± 146) | 513 (± 149) | 532 (± 117) | 0.50 |
| SA | 611 (± 148) | 554 (± 154) | 565 (± 128) | 0.06 |
| S | 607 (± 128) | 544 (± 130) | 549 (± 124) | 0.008 |
| SP | 598 (± 143) | 536 (± 132) | 536 (± 121) | 0.009 |
| Radial plane | Superficial zone | |||
|---|---|---|---|---|
| Preoperative | Year 1 | Year 2 | p value | |
| A | 392 (± 116) | 374 (± 113) | 396 (± 120) | 0.79 |
| AS | 482 (± 139) | 422 (± 124) | 455 (± 105) | 0.14 |
| SA | 532 (± 133) | 426 (± 109) | 472 (± 109) | 0.002 |
| S | 510 (± 129) | 374 (± 123) | 453 (± 117) | 0.003 |
| SP | 481 (± 133) | 451 (± 113) | 479 (± 113) | 0.75 |
Data are presented as mean (± SD); p values represent the change in measurement from preoperative to 2-year followup based on LMM analysis; dGEMRIC = delayed gadolinium-enhanced MRI of cartilage; A = anterior; AS = anterosuperior; SA = superoanterior; S = superior; SP = superoposterior.