Table 2 Comparison of clinicopathological variables in the lateral neck node negative and positive group in PTUMC.
Variables | Lateral neck node Positive group (n = 89) | Lateral neck node Negative group (n = 2,915) | P-value |
|---|---|---|---|
Sex (male: female) | 25:64 (28.1%:71.9%) | 521:2394 (17.9%:82.1%) | 0.014 |
Age | 44.7 ± 11.5 | 45.8 ± 10.5 | 0.318 |
Age ≥ 55 years | 15 (16.9%) | 629 (21.6%) | 0.285 |
Size (cm) | 0.44 ± 0.08 | 0.40 ± 0.10 | < 0.001 |
Infiltrative type | 75 (84.3%) | 2270 (77.9%) | 0.151 |
Microscopic ETE | 49 (55.1%) | 937 (32.1%) | < 0.001 |
Multiplicity | < 0.001 | ||
None | 59 (66.3%) | 2323 (79.7%) | |
Unilateral | 10 (11.2%) | 306 (10.5%) | |
Bilateral | 20 (22.5%) | 286 (9.8%) | |
Tumor location | < 0.001 | ||
Upper pole | 42 (47.2%) | 765 (26.2%) | |
Mid pole | 38(42.7%) | 1495 (51.3%) | |
Lower pole | 9(10.1%) | 655 (22.5%) | |
Psammomatous calcification | 43 (48.3%) | 674 (23.1%) | < 0.001 |
Underlying thyroiditis | 35 (39.3%) | 986 (33.8%) | 0.280 |
Central LN metastasis | 57 (64.0%) | 645 (22.1%) | < 0.001 |
Aggressive subtype | 8 (9.0%) | 17 (0.6%) | < 0.001 |