Learning Curve for Using Intraoperative Neural Monitoring Technology of Thyroid Cancer

Table 1

Characteristics of the patients.

Baseline characteristics	Number/mean ± SD
Age (years)	46.6 ± 12.7
Sex ratio (F:M)	2.9:1
Radical surgery (n): combined radical surgery (n)	61:21
Tumor range (unilateral: bilateral) (n)	62:20
Tumor size (cm)	1.1 ± 0.8
Tumor number (n)	1.4 ± 0.8
Retrieved cervical central lymph nodes (n)	5.5 ± 3.8
Metastatic cervical central lymph nodes (n)	1.7 ± 1.5
Dissected recurrent laryngeal nerve (n)	147
pathological pattern (papillary/medullary) (n)	81/1

F: female; M: male.