Table 2.

Histological results of laryngeal malignant tumors.

Histological number	NBI events	Composition ratio	Laryngeal malignant	Significant difference
100	Normal large	0.113	Magnifying endoscopy	0.213
110	Normal large	0.121	Magnifying endoscopy	0.742
120	Normal large	0.004	The capillary network	0.338
130	Proliferative lesions	0.219	The capillary network	0.086
140	Proliferative lesions	0.661	Nonneoplastic lesions	0.525
150	Proliferative lesions	0.318	Nonneoplastic lesions	0.437