Table 1. Correlation between Histological, Clinical Parameters, and ADC values.
| Parameters | N(%) | ADC values (Mean ± SD) × 10−3 mm2/s | P value |
| Histology a | 0.123 | ||
| Signet-ring carcinoma | 2 | 1.15 ± 0.08 | |
| Adenocarcinoma | 44 | 1.30 ± 0.21 | |
| Mucinous adenocarcinoma | 3 | 1.40 ± 0.22 | |
| Histological grade a | 0.515 | ||
| Poorly differentiated | 8 | 1.20 ± 0.24 | |
| Moderately differentiated | 37 | 1.31 ± 0.23 | |
| Well differentiated | 4 | 1.32 ± 0.14 | |
| T category a | 0.003 | ||
| T1 | 4 | 1.53 ± 0.29 | |
| T2 | 23 | 1.38 ± 0.16 | |
| T3 | 19 | 1.22 ± 0.27 | |
| T4 | 3 | 1.19 ± 0.19 | |
| N category a | 0.055 | ||
| N0 | 13 | 1.42 ± 0.21 | |
| N1 | 12 | 1.32 ± 0.17 | |
| N2 | 24 | 1.22 ± 0.21 | |
| Peritumor-intravascular cancer emboli * | 0.061 | ||
| Negative | 14 | 1.37 ± 0.23 | |
| Positive | 35 | 1.25 ± 0.18 | |
| Extranodal tumor deposits * | 0.006 | ||
| Negative | 11 | 1.43 ± 0.16 | |
| Positive | 38 | 1.25 ± 0.19 | |
| Neural invasion * | 0.890 | ||
| Negative | 40 | 1.28 ± 0.21 | |
| Positive | 9 | 1.29 ± 0.13 | |
| CRM * | 0.312 | ||
| Negative | 46 | 1.31 ± 0.22 | |
| Positive | 3 | 1.18 ± 0.13 | |
| CEA * | 0.691 | ||
| <5 ng/ml | 26 | 1.31± 0.20 | |
| ≥ 5 ng/ml | 23 | 1.29 ± 0.23 | |
| CA19-9 * | 0.006 | ||
| <35 g/ml | 8 | 1.49 ± 0.26 | |
| ≥ 35 g/ml | 41 | 1.26 ± 0.19 |
*Independent-samples t-test.
a
The Kruskal-Wallis test.
CRM means circumferential resection margin.