Table 2.
Mean ADC values according to tumor stage, lymph node involvement, and MRI assessed disease extent
| ADCmin | ADCmean | ADCmax | ADCdeviation | |
|---|---|---|---|---|
| FIGO Stage | (p = 0.077) | (p = 0.227) | (p = 0.007) | (p = 0.070) |
| I-II (n = 44, being 22 with positive nodes) | 0.375 | 0.855 | 1.485 | 0.224 |
| III-IV (n = 22, being 18 with positive nodes) | 0.267 | 0.901 | 1.806 | 0.256 |
| Lymph node | (p = 0.902) | (p = 0.092) | (p = 0.029) | (p = 0.154) |
| Positive (n = 40) | 0.323 | 0.959 | 1.995 | 0.232 |
| Negative (n = 26) | 0.341 | 0.861 | 1.551 | 0.197 |
| Parametrial Invasion | (p = 0.680) | (p = 0.810) | (p = 0.081) | (p = 0.492) |
| Present (n = 59) | 0.332 | 0.867 | 1.618 | 0.223 |
| Absent (n = 7) | 0.404 | 0.898 | 1.371 | 0.177 |
| Vaginal Invasion | (p = 0.190) | (p = 0.252) | (p = 0.203) | (p = 0.887) |
| Present (n = 47) | 0.311 | 0.848 | 1.624 | 0.198 |
| Absent (n = 19) | 0.410 | 0.925 | 1.513 | 0.267 |
| Adjacent structure invasion (rectum or bladder) | (p = 0.683) | (p = 0.184) | (p = 0.301) | (p = 0.829) |
| Present (n = 21) | 0.353 | 0.904 | 1.702 | 0.192 |
| Absent (n = 45) | 0.339 | 0.854 | 1.542 | 0.231 |
| Gross tumor volume (cc) a | (p = 0.172) | (p = 0.886) | (p = 0.147) | (p = 0.468) |
| > 114.48 | 0.295 | 0.862 | 1.674 | 0.237 |
| < 114.48 | 0.383 | 0.877 | 1.508 | 0.206 |
aCalculated by multiplication of the tumor measures (left-right, anterior-posterior, cranial-caudal)