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Table 2 Univariate analysis of demographic and clinicopathologic factors for positive LNCM

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

Variables

Metastasis (n = 68)

Non-metastasis (n = 383)

P value

Age (mean ± SD)

  ≤ 55/> 55

40/28

234/149

0.724

Gender

 Female / Male

36/32

211/172

0.743

Tumor size

  < 1.0 cm / ≥1.0 cm

22/46

99/284

0.269

Coexistent thyroid

 Nodular goiter

  Yes / No

9/59

38/345

0.410

 Toxic goiter

  Yes / No

7/61

67/316

0.140

 Hashimoto’s disease

  Yes / No

172/184

36/59

0.070

Tumor focality

 Multifocality / Unifocality

53/15

250/133

0.040

Tumor location

  

< 0.001

 Inferior portion

60

185

 

 Upper-Middle portion

8

198

 

Extrathyroidal extension

 Yes / No

63/5

178/205

< 0.001

Central cervical metastasis

 Yes / No

54/14

250/133

0.022

Lateral cervical metastasis

 Level II

  Yes / No

15/53

65/318

0.311

 Level III

  Yes / No

43/25

186/197

0.026

 Level IV

  Yes / No

58/10

175/208

< 0.001

  1. LNCM Lymph Node between superficial layer of deep Cervical fascia and deep fascia of infrahyoid Muscles