Table 1.
Clinical and imaging features of patients in the training group and verification group
|
Feature
|
Training group (n = 124)
|
Verification group (n = 61)
|
Z
value/χ2 value
|
P
value
|
| Age (yr), median (quartile) | 54 (47; 63) | 52 (46; 62) | -0.900 | 0.368 |
| Gender/cases | ||||
| Male | 102 | 53 | 0.349 | 0.555 |
| Female | 22 | 8 | ||
| Hepatitis B | 104 | 56 | 1.575 | 0.210 |
| Liver cirrhosis | 84 | 43 | 0.044 | 0.833 |
| AFP (ng/mL) | ||||
| ≤ 20 | 73 | 30 | 1.188 | 0.276 |
| > 20 | 51 | 31 | ||
| MVI | ||||
| Negative | 82 | 40 | 0.000 | 1.000 |
| Positive | 42 | 21 | ||
| Tumor size (mm), median (quartile) | 36 (28; 44) | 34 (27.5; 41) | -0.746 | 0.456 |
| TTPVI | ||||
| Negative | 56 | 25 | 0.145 | 0.703 |
| Positive | 68 | 36 | ||
| RVI | ||||
| Negative | 93 | 40 | 1.362 | 0.243 |
| Positive | 31 | 21 | ||
| Rad-score, median (quartile) | -0.669 (-0.831; -0.546) | -0.640 (-0.780; -0.494) | -0.917 | 0.359 |
AFP: α-fetoprotein; MVI: Microvascular invasion; TTPVI: Two-trait predictor of venous invasion; RVI: Radiogenomic invasion; Rad-score: Radiomics score.