Application of Carbon Nanoparticles in Neck Dissection of Clinically Node-Negative Papillary Thyroid Carcinoma

Table 1

General information and basic data of CN0PTC patients between CN group and control group.

	CN group; 33 cases; 40 sides	Control group; 28 cases; 34 sides	value	value
Age, y ()	43.55 ± 11.56	42.89 ± 14.096		0.338
Gender, M/F				0.330
Male	8	4
Female	25	24
Laterality				0.984
Bilateral	7	6
Multinodules^1				0.394
Single	27	26
Multifoci	13	8
Tumor size (, %)^2				0.883
	30	26
	10	8
Tumor site				0.183
Upper pole	25	16
Middle/lower portion	15	18
BRAF mutation	26	21		0.726
LN metastasis/side
Central	2	4		0.058
Lateral	5	—
Central+lateral	5	—
Complications
Unilateral vocal cord palsy	0	2		0.118
Hemorrhage	0	0		—
Wound infection	0	0		—
Seroma	2	1		0.654
Transient hypocalcemia	6	17		0.001
Transient hypoparathyroidism	9	14		0.047

¹Described by side. ²Calculated by the maximum diameter if multifocal lesions existed. LN: lymph node. .