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Table 1 Univariate analysis of demographic and clinicopathologic factors for patients who had lymph nodes in LNCM compared to those who did not

From: Lymph node metastasis in suprasternal space and intra-infrahyoid strap muscle space from papillary thyroid carcinoma

Variables Present (n = 451) Absent (n = 1653) P value
Age (mean ± SD)
  ≤ 55/> 55 274/177 946/707 0.179
Gender
 Female / Male 247/204 886/767 0.659
Tumor size
  < 1.0 cm / ≥1.0 cm 121/330 448/1205 0.908
Coexistent thyroid
 Nodular goiter
  Yes / No 47/404 183/1470 0.695
 Toxic goiter
  Yes / No 74/377 238/1415 0.287
 Hashimoto’s disease
  Yes / No 208/243 614/1039 0.001
Tumor focality
 Multifocality / Unifocality 303/148 605/1048 < 0.001
Tumor location    < 0.001
 Inferior portion 245 639  
 Upper-Middle portion 206 1014  
Extrathyroidal extension
 Yes / No 241/210 725/928 < 0.001
Central cervical metastasis
 Yes / No 304/147 1013/640 0.017
Lateral cervical metastasis
 Level II
  Yes / No 80/371 257/1396 0.216
 Level III
  Yes / No 229/222 542/1111 < 0.001
 Level IV
  Yes / No 233/218 571/1082 < 0.001
  1. LNCM Lymph Node between superficial layer of deep Cervical fascia and deep fascia of infrahyoid Muscles