Table 2.
Comparison of clinical variables and radiomics score in the responding group and non-responding group in the training cohort
| Factors | Responding group | Non-responding group | P value |
|---|---|---|---|
| Age (years, mean ± SD) | 56.76 ± 11.42 | 52.85 ± 11.91 | 0.02 |
| Gender | 1.00 | ||
| Male | 24 | 24 | |
| Female | 13 | 13 | |
| BMI (kg/m2) | 21 ± 3 | 21 ± 4 | 0.42 |
| AFP (ng/mL) | 8.95 ± 13.51 | 7.86 ± 17.55 | 0.56 |
| CEA (IU/L) | 0.80 | ||
| Normal | 26 | 24 | |
| Elevated | 11 | 13 | |
| CA199 (IU/L) | 1.00 | ||
| Normal | 32 | 32 | |
| Elevated | 5 | 5 | |
| CA125 (IU/L) | 1.00 | ||
| Normal | 36 | 37 | |
| Elevated | 1 | 0 | |
| Preoperative T stage | 0.17 | ||
| 2 | 0 | 1 | |
| 3 | 8 | 3 | |
| 4 | 29 | 33 | |
| Preoperative N status | 0.19 | ||
| 0 | 2 | 0 | |
| 1 | 13 | 8 | |
| 2 | 18 | 21 | |
| 3 | 4 | 8 | |
| Preoperative M status | 0.05 | ||
| 0 | 28 | 19 | |
| 1 | 9 | 18 | |
| Radiomics score | 0.54 ± 0.22 | 0.41 ± 0.22 | < 0.01 |
Abbreviations: BMI body mass index, PS performance status, AFP alpha-fetoprotein, CEA carcinoembryonic antigen