Table 2.
Tumor characteristics and associated p-value chi-square test according to body mass index (BMI).
| BMI | |||
|---|---|---|---|
| <25 | ≥25 | p chi-square | |
| Stage at diagnosis | 0.636 | ||
| I/II | 15 (57.7) | 43 (67.2) | |
| III/IV | 5 (19.2) | 8 (12.5) | |
| Unknown | 6 (23.1) | 13 (20.3) | |
| Receptor status | |||
| Estrogen receptor (ER) | 0.595 | ||
| Positive | 21 (80.8) | 48 (75.0) | |
| Negative | 2 (7.7) | 10 (15.6) | |
| Unknown | 3 (11.5) | 6 (9.4) | |
| Progesterone receptor (PR) | 0.604 | ||
| Positive | 19 (73.1) | 42 (65.6) | |
| Negative | 4 (15.4) | 16 (25.0) | |
| Unknown | 3 (11.5) | 6 (9.4) | |
| Hercept test | 0.893 | ||
| Positive | 2 (7.7) | 7 (10.9) | |
| Negative | 20 (76.9) | 48 (75.0) | |
| Unknown | 4 (15.4) | 9 (14.1) | |
| Histology | 0.966 | ||
| Invasive ductal carcinoma | 20 (76.9) | 48 (75.0) | |
| Other | 4 (15.4) | 10 (15.6) | |
| Unknown | 2 (7.7) | 6 (9.4) | |
| Tumor size (cm) | 0.343 | ||
| ≤ 2 | 13 (50.0) | 41 (64.1) | |
| >2 | 11 (42.3) | 17 (26.6) | |
| Unknown | 2 (7.7) | 6 (9.4) | |
Data show as the sample size (percentage) of each group according to adiposity.