Table 1.
Association between lymph node metastasis and the clinicopathological features of EMP
| Parameter | Number of patients (%) | Lymph node metastasis | P | |
|---|---|---|---|---|
| Yes | No | |||
| Age, years | ||||
| <50 | 20 (41.7) | 5 (25.0) | 15 (75.0) | 1.000 |
| ≥50 | 28 (58.3) | 8 (28.6) | 20 (71.4) | |
| Gender | ||||
| Male | 30 (62.5) | 9 (30.0) | 21 (70.0) | 0.740 |
| Female | 18 (37.5) | 4 (22.2) | 14 (77.8) | |
| Treatment | ||||
| Single | 27 (56.2) | 5 (18.5) | 22 (81.5) | 0.192 |
| Combined | 21 (43.8) | 8 (38.1) | 13 (61.9) | |
| Location | ||||
| Head and neck | 30 (62.5) | 10 (33.3) | 20 (66.7) | 0.317 |
| Other | 18 (37.5) | 3 (16.7) | 15 (83.3) | |
| Size of tumor | ||||
| <5 cm | 24 (50.0) | 6 (25.0) | 18 (75.0) | 1.000 |
| ≥5 cm | 24 (50.0) | 7 (29.2) | 17 (70.8) | |
| Number of tumors | ||||
| Solitary | 42 (87.5) | 10 (23.8) | 32 (76.2) | 0.323 |
| Sporadic | 6 (542.8) | 3 (50.0) | 3 (50.0) | |