Table I.
Demographics of the patients.
| Variable | No. of patients (n=89) | % |
|---|---|---|
| Age (year, average ± SD) | 50.9±11.3 | |
| BMI (kg/m2, average ± SD) | 22.3±3.6 | |
| WHO BMI classification | ||
| Underweight (BMI <18.5 kg/m2) | 9 | 10 |
| Normal range (18.5≤ BMI <25 kg/m2) | 59 | 66 |
| Overweight (25≤ BMI <30 kg/m2) | 19 | 21 |
| Obese (BMI ≥30 kg/m2) | 2 | 3 |
| Menopausal status | ||
| Premenopausal | 40 | 45 |
| Postmenopausal | 49 | 55 |
| T stage | ||
| 1 | 16 | 18 |
| 2 | 53 | 60 |
| 3 | 8 | 9 |
| 4 | 12 | 13 |
| N stage | ||
| 0 | 41 | 46 |
| 1 | 36 | 40 |
| 2 | 2 | 2 |
| 3 | 10 | 12 |
| Subtypes | ||
| ER+, HER− | 31 | 35 |
| ER+, HER+ | 20 | 22 |
| HER2 type | 14 | 16 |
| Triple negative type | 24 | 27 |
| Neoadjuvant chemotherapy | ||
| Yes | 47 | 53 |
| No | 42 | 47 |
| Adjuvant chemotherapy | ||
| Yes | 36 | 40 |
| No | 53 | 60 |
| Recurrent site | ||
| Local | 21 | 24 |
| Lymph node | 17 | 19 |
| Lung | 15 | 17 |
| Liver | 11 | 12 |
| Bone | 12 | 13 |
| Brain | 6 | 7 |
| Other | 7 | 8 |
SD, standard deviation; BMI, body mass index; WHO, World Health Organization; ER, estrogen receptor; HER, human epidermal growth factor 2 receptor.