Distribution of magnetic resonance spectroscopy-derived SI-SCORES vs Pfirrmann Grades.
| Pfirrmann Grade | No. | SI-SCORE | t Test Between Pfirrmann Grades (P) | ||||
| Mean | SD | vs 2 | vs 3 | vs 4 | vs 5 | ||
| 1 | 95 | 0.84 | 0.14 | 0.20 | <0.005 | <0.005 | 0.06 |
| 2 | 230 | 0.82 | 0.16 | - | <0.005 | <0.005 | 0.06 |
| 3 | 117 | 0.52 | 0.22 | - | - | 0.14 | 0.10 |
| 4 | 21 | 0.44 | 0.24 | - | - | - | 0.06 |
| 5 | 2 | 0.08 | 0.11 | - | - | - | - |