Table 2 Correlation between postoperative pathology and clinicopathological features
Parameters | Postoperative pathology | p value | |
|---|---|---|---|
DCIS only (n = 70) | Invasive ductal carcinoma (n = 48) | ||
Age at operation (years old) | |||
  ≤ 60 | 50 (71.4%) | 33 (68.8%) |  |
  > 60 | 20 (28.6%) | 15 (31.3%) | 0.754 |
Symptoms | |||
 Asymptomatic | 30 (42.9%) | 12 (25.0%) |  |
 Symptomatic | 40 (57.1%) | 36 (75.0%) | 0.044 |
Palpability | |||
 Impalpabe | 24 (34.3%) | 9 (18.8%) |  |
 Palpable | 46 (65.7%) | 39 (81.3%) | 0.065 |
Tumor size (mm) | |||
  ≤ 20.0 | 48 (68.6%) | 23 (47.9%) |  |
  > 20.0 | 22 (31.4%) | 25 (52.1%) | 0.024 |
Biopsy device | |||
 Core needle biopsy | 32 (45.7%) | 35 (72.9%) |  |
 Vacuum-assisted biopsy | 38 (54.3%) | 13 (27.1%) | 0.003 |
Estrogen receptor | |||
 Negative | 9 (12.9%) | 13 (27.1%) |  |
 Positive | 61 (87.1%) | 35 (72.9%) | 0.051 |
Progesterone receptor | |||
 Negative | 18 (25.7%) | 19 (39.6%) |  |
 Positive | 52 (74.3%) | 29 (60.4%) | 0.111 |
HER2 | |||
  ≤ 2 | 63 (90.0%) | 38 (79.2%) |  |
 3 | 7 (10.0%) | 10 (20.8%) | 0.100 |
Ki67 | |||
  ≤ 14% | 60 (85.7%) | 38 (79.2%) |  |
  > 14% | 10 (14.3%) | 10 (20.8%) | 0.352 |
Grade of DCIS | |||
 Low, intermediate | 63 (90.0%) | 35 (72.9%) |  |
 High | 7 (10.0%) | 13 (27.1%) | 0.015 |
Comedonecrosis | |||
 Absence | 37 (52.9%) | 17 (35.4%) |  |
Presence | 33 (47.1%) | 31 (64.6%) | 0.061 |
Intraductal calcification | |||
 Absence | 62 (88.6%) | 37 (77.1%) |  |
 Presence | 8 (11.4%) | 11 (22.9%) | 0.098 |
Lymphoid infiltrate | |||
 Negative, mild | 56 (80.0%) | 27 (56.3%) |  |
 Moderate, severe | 14 (20.0%) | 21 (43.8%) | 0.006 |
Platelets–lymphocyte ratio | |||
 Low | 50 (71.4%) | 24 (50.0%) |  |
 High | 20 (28.6%) | 24 (50.0%) | 0.018 |
LDH | |||
  ≤ ULN | 63 (90.0%) | 42 (87.5%) |  |
  > ULN | 7 (10.0%) | 6 (12.5%) | 0.670 |
CEA | |||
  ≤ ULN | 66 (94.3%) | 45 (93.8%) |  |
  > ULN | 4 (5.7%) | 4 (5.7%) | 0.904 |
CA15–3 | |||
  ≤ ULN | 69 (98.6%) | 46 (95.8%) |  |
  > ULN | 1 (1.4%) | 2 (4.2%) | 0.353 |