Table 2 Risk factors for unilateral PTC with contralateral central lymph node metastasis
Characteristics | contralateral side LN(+) | contralateral side LN(−) | p value |
|---|---|---|---|
No. of patients | 65 | 220 | / |
age | 42.4 ± 10.5 | 43.4 ± 11.9 | 0.554 |
Male/female | 16/49 | 50/170 | 0.751 |
Pathological T classification (<T3/T3) | 43/22 | 126/94 | 0.200 |
Pathological tumor size(<10/≥10 mm) | 25/40 | 147/73 | 0.000 |
Unifocal/Multifocal | 52/13 | 180/40 | 0.741 |
lesion located in the lower pole | 31/34 | 114/106 | 0.559 |
Tumor side LN (+/−) | 61/4 | 124/96 | 0.000 |