Table 5. Univariate analysis of BMI as a continuous variable.
| Category | BMI ± SE (kg/m2) | P |
|---|---|---|
| Histologic subtype | ||
| Ductal | 29.60 ± 0.35 | 0.0192 |
| Nonductal | 28.12 ± 0.80 | |
| Receptor status | ||
| Triple-negative | 30.49 ± 0.67 | 0.0157 |
| Non-triple-negative | 28.81 ± 0.41 | |
| Tumor size | ||
| T1 (<2 cm) | 28.66 ± 0.50 | 0.0368 |
| T2 (2-5 cm) | 30.01 ± 0.61* | |
| T3 (>5 cm) | 27.95 ± 1.07 | |
| Node status | ||
| Negative | 28.61 ± 0.49 | 0.2334 |
| Positive | 29.42 ± 1.64 | |
| Histologic grade | ||
| 1 | 28.65 ± 0.47 | 0.1215 |
| 2 | 29.97 ± 0.72 | |
| 3 | 28.78 ± 2.63 | |
| 4 | 26.19 ± 2.85 |
*
Mean for T2 is significantly higher than the means for T1 and T3.