From: Risk factors for central lymph node metastasis in the cervical region in papillary thyroid carcinoma: a retrospective study
Risk score
CLNM– group (n)
CLNM+ group (n)
Total (n)
CLNM rate
Low-risk group
1166
382
1548
24.7%
High-risk group
438
600
1038
57.8%