Table 3 Risk factors for lateral cervical lymph node metastasis in the training cohort

0R

Estimate

Std. Error

z value

p value

Age

0.75

-0.28202

0.19737

-1.429

0.153

Gender

0.66

-0.40949

0.15382

-2.662

0.0078

Position

0.70

-0.36106

0.07399

-4.880

<0.0001

Tumor size

2.27

0.81763

0.10585

7.724

<0.0001

Internal echo

0.79

-0.23818

0.14645

-1.626

0.1039

Mulifocality

3.70

1.30892

0.14050

9.316

<0.0001

Mircocacification

2.01

0.69883

0.21115

3.31

0.0009

 A/P > 0.25

6.38

1.85282

0.16748

11.063

<0.0001

Vascularization

1.07

0.07006

0.08646

0.81

0.417805