Table 1.
Patient characteristics
| Clinicopathological characteristics | All patients, n (%) |
LNM (n=40) |
Non-LNM (n=50) |
P-value |
|---|---|---|---|---|
| Sex | 0.625 | |||
| Male | 22 (24.4%) | 11 (27.5%) | 11 (22%) | |
| Female | 68 (75.6%) | 29 (72.5%) | 39 (78%) | |
| Age | 0.672 | |||
| <45 years | 38 (42.2%) | 18 (45%) | 20 (40%) | |
| ≥45 years | 52 (57.8%) | 22 (55%) | 30 (60%) | |
| Focalization | 0.15 | |||
| Unifocal | 66 (73.3%) | 26 (65%) | 40 (80%) | |
| Multifocal | 24 (26.7%) | 14 (35%) | 10 (20%) | |
| Tumor | 0.000 | |||
| T1a | 59 (65.6%) | 18 (45%) | 41 (82%) | |
| T1b | 31 (34.4%) | 22 (55%) | 9 (18%) | |
| Lymph node | – | |||
| N0 | 50 (55.6%) | – | – | |
| N1a | 26 (28.9%) | – | – | |
| N1b | 14 (15.5%) | – | – | |
| Metastasis | ||||
| M0 | 90 (100%) | – | – | – |
| pTNM stage | ||||
| Early (I/II) | 68 (75.6%) | 18 (45%) | 50 (100%) | 0.000 |
| Advanced (III/IV) | 22 (24.4%) | 22 (55%) | 0 |
Abbreviations: LNM, lymph node metastasis; pTNM, pathological tumor, node, metastasis.