Table 1:
Quantitative assessment of DWIa
| ssEPI-STIR | ssEPI-SPIR | msEPI-SPIR | P Valuesb | |
|---|---|---|---|---|
| CNR | ||||
| Pons | 4.45 ± 0.84 | 8.29 ± 1.62 | 7.69 ± 1.90 | .001/.001/.022 |
| Cerebellar white matter | 3.86 ± 0.73 | 8.78 ± 1.53 | 8.52 ± 2.13 | .001/.001/.294 |
| Parotid gland | 0.43 ± 0.41 | 1.21 ± 0.68 | 1.74 ± 0.82 | .001/.001/.001 |
| Lymph node | 4.55 ± 1.59 | 6.61 ± 2.02 | 7.06 ± 2.56 | .001/.001/.104 |
| Palatine tonsil | 4.46 ± 2.47 | 6.37 ± 2.27 | 6.55 ± 2.12 | .001/.001/.61 |
| Semispinalis muscle | 0.40 ± 0.22 | 0.87 ± 0.31 | 1.00 ± 0.50 | .001/.001/.05 |
| ADC (× 10−3 mm2/s) | ||||
| Pons | 0.737 ± 0.042 | 0.743 ± 0.033 | 0.799 ± 0.083 | .236/.001/.001 |
| Cerebellar white matter | 0.636 ± 0.039 | 0.655 ± 0.030 | 0.691 ± 0.061 | .001/.001/.001 |
| Parotid gland | 0.771 ± 0.170 | 0.867 ± 0.147 | 0.907 ± 0.141 | .001/.001/.001 |
| Lymph node | 0.900 ± 0.321 | 0.915 ± 0.349 | 1.028 ± 0.341 | .300/.001/.001 |
| Palatine tonsil | 0.753 ± 0.325 | 0.748 ± 0.321 | 0.846 ± 0.310 | .818/.001/.001 |
| Semispinalis muscle | 0.881 ± 0.187 | 1.118 ± 0.115 | 1.360 ± 0.107 | .001/.001/.001 |
a
Data are given as mean ± SD.
b
P values are derived from pair-wise comparison using a paired t test with a Bonferroni correction among ssEPI-STIR and ssEPI-SPIR/ssEPI-STIR and msEPI-SPIR/ssEPI-SPIR and msEPI-SPIR.