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
|