Table 3.

Detailed results of SSD in diagnosing different histological grades of esophageal neoplasms.

Diagnostic Result	SSD Diagnosis
	Low-Grade Dysplasia	High-Grade Dysplasia	Cancer (SCC)
Pathological diagnosis				Accuracy
Comprehensive				92%
Low-grade dysplasia	26	2	3
High-grade dysplasia	2	68	8
Cancer (SCC)	0	1	92
WLI				89%
Low-grade dysplasia	11	1	3
High-grade dysplasia	1	30	4
Cancer (SCC)	0	1	39
NBI				95%
Low-grade dysplasia	15	1	0
High-grade dysplasia	1	38	4
Cancer (SCC)	0	0	53

Abbreviations: SSD, single-shot multibox detector; WLI, white-light image; NBI, narrow-band image; SCC, squamous cell carcinoma.