Table 1 Characteristics of patients according to the final axillary status
Variable | Negative nodes | Positive nodes | p-value |
|---|---|---|---|
Number of cases | n = 130 | n = 111 | |
Age (range) | 61.0 (31–88) | 58.3 (27–88) | 0.081 |
Tumor size (T) | |||
1a | 1 (0.8%) | 1 (0.9%) | 0.111 |
1b | 19 (14.6%) | 5 (4.5%) | |
1c | 57 (43.8%) | 59 (53.2%) | |
2 | 46 (35.4%) | 39 (35.1%) | |
3 | 2 (1.5%) | 0 (0%) | |
4b | 4 (3.1%) | 3 (2.7%) | |
Missing | 1 (0.8%) | 4 (3.6%) | |
Clinical lymph nodes | |||
N0 | 110 (84.6%) | 65 (58.6%) | < .001 |
N1 | 17 (13.1%) | 40 (36%) | |
N2 | 1 (0.8%) | 6 (5.4%) | |
Missing | 2 (1.5%) | 0 (0%) | |
Ultrasound | |||
Normal | 103 (79.2%) | 45 (40.5%) | < .001 |
Suspicious | 27 (20.8%) | 66 (59.5%) | |
Tumor grade | |||
1 | 40 (30.8%) | 28 (25.2%) | 0.601 |
2 | 70 (53.8%) | 64 (57.7%) | |
3 | 17 (13.1%) | 17 (15.3%) | |
Missing | 3 (2.3%) | 2 (1.8%) | |
Estrogen receptor | |||
Negative | 23 (17.7%) | 12 (10.8%) | 0.184 |
Positive | 107 (82.3%) | 99 (89.2%) | |
Progesterone receptor | |||
Negative | 42 (32.3%) | 35 (31.5%) | 1 |
Positive | 88 (67.7%) | 76 (68.5%) | |
HER 2 | |||
Negative | 111 (85.4%) | 98 (88.3%) | 0.637 |
Positive | 19 (14.6%) | 13 (11.7%) | |
Ki 67 | |||
Negative | 41 (31.5%) | 39 (35.1%) | 0.54 |
Positive | 78 (60%) | 60 (54.1%) | |
Missing | 11 (8.5%) | 12 (10.8%) | |
Surgery | |||
Mastectomy | 49 (37.7%) | 48 (43.2%) | 0.457 |
Tumorectomy | 81 (62.3%) | 63 (56.8%) | |