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Table 2 Spearman’s rank correlation of the hemoglobin levels and various clinical characteristics

From: Impact of preoperative anemia on relapse and survival in breast cancer patients

  Hb P
Age 0.035 0.101
Tumor type 0.014 0.509
T stage −0.078 <0.001
N stage −0.051 0.019
Clinical stage −0.085 <0.001
Histologic grading 0.010 0.653
ER 0.029 0.181
PR 0.016 0.460
HER-2 −0.035 0.103
BMI 0.134 <0.001
Chemotherapy −0.025 0.242
Radiotherapy −0.014 0.521
Hormonal therapy 0.002 0.912
Targeted therapy −0.034 0.115
  1. Abbreviations: Hb hemoglobin, ER estrogen receptor, PR progesterone receptor, HER-2 Human Epidermal Growth Factor Receptor-2, BMI body mass index.
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