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Table 3 Univariate analysis of the clinicopathologic factors associated with right upper paraesophageal lymphnode metastasis

From: Clinical predictors of right upper paraesophageal lymph node metastasis from papillary thyroid carcinoma

  

Status of right upper paraesophageal lymph node

p-Value

  

Metastasis(−)n = 229

Metastasis(+)n = 14

 

Age(yrs)

Mean(95%CIa)

49.51(48.04-50.97)

50.07(41.11-59.03)

0.73

Gender

Male

38

5

0.07

 

Female

191

9

 

Tumor size

Mean(95%CIa)

1.0195(0.9455-1.0938)

1.6429(1.1599-2.1258)

0.006

 

<1 cm

125

3

0.016

 

≥1 cm

124

11

 

Tumor location

Left

77

1

0.06

 

Right

95

6

 
 

Isthmus

6

0

 
 

Both

51

7

 

Solitary lesion

Upper

34

3

0.15

 

Middle

80

1

 
 

Lower

41

2

 
 

Isthmus

6

0

 

Multifocal lesion

Both lobes

13

1

 
 

Affected lobe

51

7

 

Extrathyroidal extension

(−)

100

1

0.009

 

(+)

129

13

 

Lymphatic invasion

(−)

119

0

0.000

 

(+)

110

14

 

Multiplicity

(−)

156

4

0.002

 

(+)

73

10

 

Vascular invasion

(−)

219

13

0.49

 

(+)

10

1

 

Combined thyroiditis

(−)

185

13

0.39

 

Hashimoto thyroiditis

27

0

 
 

Lymphocytic thyroiditis

17

1

 

Retrieved central lymph nodes

Mean(95%CIa)

8.2664(7.5873-8.9454)

9.2143(6.0666-12.3619)

0.33

Metastatic central lymph nodes

Mean(95%CIa)

1.3493(1.0205-1.6782)

4.9286(2.5700-7.2872)

0.004

Retrieved lateral lymph nodes

Mean(95%CIa)

20.08(17.0944-23.0656)

18.6(13.2234-23.9766)

0.64

Metastatic lateral lymph nodes

Mean(95%CIa)

0.2882(0.1709-0.4055)

3.5(1.4029-5.5971)

0.000

  1. aCI: confidence interval.