3.

Distribution of DNA-ICM results based on various pathologic types

DNA-ICM diagnosis	n (%)
	Normal	BCH	LGIN	HGIN	ESCC	Total*
DNA-ICM, DNA image cytometry; BCH, basal cell hyperplasia; LGIN, low grade intraepithelial neoplasia; HGIN, high grade intraepithelial neoplasia; ESCC, esophageal squamous cell cancer; *, trend Chi-square test, χ2=18.016, P<0.001.
<5, 003	577 (33.5)	87 (35.7)	93 (24.6)	8 (15.4)	1 (4.0)	766 (31.7)
5, 003	1, 144 (66.5)	157 (64.3)	285 (75.4)	44 (84.6)	24 (96.0)	1, 654 (68.3)
Total	1, 721	244	378	52	25	2, 420