| 组别 | 例数 | 代谢物指标 | ||
| NAA/Cr | Cho/Cr | Cho/NAA | ||
| 低级别组 | 27 | 1.36 (1.17~1.68) | 2.18 (2.08~2.54) | 2.14 (2.06~2.51) |
| 高级别组 | 63 | 0.47 (0.43~0.59) | 4.71 (4.21~4.97) | 6.31 (5.89~6.77) |
| Z值 |
| −7.448 | −6.780 | −7.085 |
| P值 |
| <0.001 | <0.001 | <0.001 |