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Table 4 Statistical analysis of factors related to level V metastasis

From: Optimal surgical extent of lateral and central neck dissection for papillary thyroid carcinoma located in one lobe with clinical lateral lymph node metastasis

  P-value
Factors Univariate analysis Multivariate analysis
Gender 0.720 0.568
Age (45≤) 0.744 0.529
Stage 1.0 0.150
Multiplicity 1.0 0.718
Location of primary tumor (upper third or lower two-thirds) 0.450 0.344
Size of primary tumor 0.197 0.150
Minimal extrathyroidal extension 1.0 0.817
Maximal extrathyroidal extension 0.672 0.771
Lymphovascular invasion 0.338 0.279
Central neck metastasis 0.337 0.173
Multiple level metastasis (≥2) 0.108 0.054
No. of metastatic nodes in the lateral compartment (≥5) 0.097 0.057
Contralateral lateral neck metastasis 1.0 0.845
Level II metastasis 1.0 0.861
Level III metastasis 0.048 0.043
Level IV metastasis 0.484 0.288
Level II or III metastasis 0.439 0.297
Level III or IV metastasis 0.337 0.173
Level II, III and IV metastasis 0.279 0.197