Table 3 Association of lymphatic metastasis and Slug expression
Measures | Total patients (N = 459) | Low (n = 104) | Mid (n = 130) | High (n = 225) | P |
|---|---|---|---|---|---|
Lymph node metastasis (pN) | |||||
Negative | 164 (35.7%) | 66 (63.5%) | 51 (39.2%) | 47 (20.9%) | <0.001 |
Positive | 295 (64.3%) | 38 (36.5%) | 79 (60.8%) | 178 (79.1%) | |
N1 | 98 (21.4%) | 20 (19.2%) | 30 (23.1%) | 48 (21.3%) | |
N2 | 99 (21.6%) | 15 (14.4%) | 26 (20.0%) | 58 (25.8%) | |
N3 | 98 (21.4%) | 3 (2.9%) | 23 (17.7%) | 72 (32.0%) | |
N3a | 94 (20.5%) | 3 (2.9%) | 20 (15.4%) | 71 (31.6%) | |
N3b | 4 (0.9%) | 0 (0.0%) | 3 (2.3%) | 1 (0.4%) | |
Number of metastatic lymph nodes | 3.7 ± 4.9 (0–42) | 1.2 ± 2.3 (0–12) | 3.6 ± 5.8 (0–42) | 4.9 ± 4.7 (0–25) | <0.001 |
Number of retrieved lymph nodes | 42.4 ± 15.4 (6–106) | 39.5 ± 13.3 (14–78) | 44.9 ± 16.1* (8–97) | 42.4 ± 15.8 (6–106) | 0.028 |
Positive lymph node ratio | 0.09 ± 0.12 | 0.03 ± 0.06 | 0.08 ± 0.12 | 0.12 ± 0.13 | <0.001 |
Lymphatic invasiona | |||||
Negative | 154 (33.6%) | 59 (57.3%) | 45 (34.9%) | 50 (22.2%) | <0.001 |
Positive | 303 (66.0%) | 44 (42.7%) | 84 (65.1%) | 175 (77.8%) | |