Table 2 Mean estradiol levels according to subgroups
From: Prognostic effect of preoperative serum estradiol level in postmenopausal breast cancer
Estradiol level (Mean±SD, pg/mL) | p value | ||
|---|---|---|---|
Tumor size | <2 cm | 13.69±7.17 | 0.75 |
≥2 cm | 13.97±8.28 | ||
Nodal status | N0 | 13.93±7.99 | 0.71 |
N1-3 | 13.59±7.09 | ||
ER | Negative | 12.97±7.37 | 0.69 |
Positive | 14.36±7.85 | ||
PR | Negative | 13.41±7.52 | 0.27 |
Positive | 14.37±7.89 | ||
Her-2 | Negative | 14.09±7.80 | 0.81 |
Positive | 14.40±7.33 | ||
Histologic grade | Grade 1 or 2 | 13.91±8.05 | 0.80 |
Grade 3 | 13.68±7.25 | ||
Nuclear grade | Grade 1 or 2 | 13.78±8.38 | 0.89 |
Grade 3 | 13.90±7.11 |