Characteristic | 1-2 days | 3-4 days | ≥5 days | P value |
---|---|---|---|---|
Age | 0.067 | |||
<40 | 5 | 5 | 10 | |
40-49 | 16 | 24 | 24 | |
50-70 | 32 | 70 | 53 | |
>70 | 2 | 14 | 21 | |
Menstrual status | 0.084 | |||
Peri/pre-menopause | 24 | 30 | 35 | |
Post-menopause | 31 | 83 | 73 | |
Breast surgery type | 0.960 | |||
Mastectomy (+/−reconstruction) | 47 | 98 | 94 | |
Lumpectomy | 8 | 15 | 14 | |
Pathological type | 0.973 | |||
Invasive ductal carcinoma | 49 | 101 | 96 | |
Invasive lobular carcinoma | 3 | 5 | 4 | |
Others | 3 | 7 | 8 | |
Tumor size | 0.110a | |||
Tx | 2 | 2 | 1 | |
≤2 cm | 30 | 45 | 43 | |
2-5 cm | 23 | 65 | 49 | |
>5 cm | 0 | 1 | 5 | |
Axillary lymph node | 0.582 | |||
Negative | 28 | 67 | 60 | |
Positive | 27 | 46 | 48 | |
Histologic grading | 0.821a | |||
I | 0 | 3 | 3 | |
II | 30 | 51 | 53 | |
III | 15 | 41 | 34 | |
NA | 10 | 18 | 18 | |
Estrogen Receptor | 0.732 | |||
Negative | 11 | 28 | 23 | |
Positive | 44 | 85 | 85 | |
Progesterone Receptor | 0.357 | |||
Negative | 21 | 52 | 40 | |
Positive | 34 | 61 | 68 | |
Hormonal Receptor | 0.822 | |||
Negative | 11 | 27 | 23 | |
Positive | 44 | 86 | 85 | |
HER2 | 0.797 | |||
Negative | 43 | 91 | 83 | |
Positive | 12 | 22 | 25 | |
Ki67 (%, mean) | 0.222 | |||
<20 | 20 | 55 | 54 | |
≥20 | 35 | 58 | 54 | |
Molecular subtype | 0.738 | |||
Luminal A | 13 | 30 | 30 | |
Luminal B-HER2- | 26 | 43 | 40 | |
Luminal B-HER2+ | 5 | 13 | 15 | |
Triple negative | 4 | 18 | 13 | |
HER2 positive | 7 | 9 | 10 |