Table 2.
Univariate and multivariate analysis of clinicopathological-radiomics characteristics for prognostic prediction in training cohort.
| Variables | Univariate regression | Multivariate regression | ||
|---|---|---|---|---|
| HR (95% CI) | p value | HR (95% CI) | p value | |
| Age (years) | 1.007 (0.951–1.066) | 0.812 | ||
| BMI (kg/m2) | 0.950 (0.793–1.138) | 0.575 | ||
| Menopausal status | 0.373 (0.101–1.377) | 0.139 | ||
| pT stage | 2.199 (0.482–10.040) | 0.309 | ||
| pN stage | 3.964 (1.258–12.490) | 0.019∗ | 3.898 (1.181–12.867) | 0.026∗ |
| Histological type | 3.886 × 10−8 (0-Inf) | 0.998 | ||
| WHO classification | 0.506 (0.065–3.956) | 0.516 | ||
| Ki-67 status | 2.643 × 107 (0-inf) | 0.998 | ||
| Type of breast surgery | 1.750 (0.226–13.560) | 0.592 | ||
| Neoadjuvant chemotherapy | 1.774 (0.389–8.096) | 0.459 | ||
| Adjuvant chemotherapy | 0.534 (0.069–4.138) | 0.548 | ||
| Adjuvant radiotherapy | 1.117 (0.302–4.127) | 0.868 | ||
| Radiomics score | 3.071 (1.949–4.840) | 1.331 × 10−6∗∗∗ | 3.052 (1.868–4.985) | 8.380 × 10−6∗∗∗ |
∗ p < 0.05; ∗∗p < 0.001. HR: hazard ratio; BMI: body mass index.