Table 1 Preoperative clinicopathology datas for 2 groups of patients
Open group | Endoscopic group | t/χ2 value | P value | |
|---|---|---|---|---|
Years (age, x ± s) | 44.83 ± 2.34 | 45.12 ± 1.98 | − 0.383 | 0.704 |
BMI (kg/m2) | 25.18 ± 0.97 | 24.87 ± 1.25 | 0.018 | 0.986 |
Menstrual status (cases, %) | ||||
Pre-menopause | 16 (51.61) | 14 (46.67) | 0.180 | 0.981 |
Post-menopause | 15 (48.39) | 16 (53.33) | ||
Tumor size (cases, %) | ||||
2 cm < T ≤ 3 cm | 11 (35.48) | 13 (43.33) | 3.197 | 0.362 |
T ≤ 2 cm | 20 (64.52) | 17 (56.67) | ||
cTNM stages (cases, %) | ||||
Istage | 11 (35.48) | 13 (43.33) | 3.197 | 0.362 |
IIA stage | 20 (64.52) | 17 (56.67) | ||
ER expression (cases, %) | ||||
Positive | 18 (52.94) | 19 (63.33) | 2.934 | 0.402 |
Negative | 13 (47.06) | 11 (36.67) | ||
PRexpression (cases, %) | ||||
Positive | 14 (45.16) | 12 (40.0) | 1.492 | 0.684 |
Negative | 17 (54.84) | 18 (60.0) | ||
Her2expression(cases, %) | ||||
Positivea | 10 (32.26) | 10 (33.33) | 7.262 | 0.064 |
Negativeb | 21 (67.74) | 20 (66.67) | ||
Ki67expression(例, %) | ||||
≤ 14% | 9 (29.03) | 12 (40.02) | 6.738 | 0.081 |
> 14% | 22 (70.97) | 18 (60.0) | ||
Molecular type | ||||
Luminal type | 16 (51.61) | 15 (50.0) | 10.902 | 0.053 |
Her2 positive type | 10 (32.26) | 10 (33.33) | ||
TNBC type | 5 (16.13) | 5 (16.67) | ||