Table 4. Diagnostic odds ratio of the endoscopic features.

		Current infection	Past infection	Noninfection
WLI	RAC (95 % CI)	0.13 (0.07–0.25)	0.70 (0.42–1.16)	25.24 (11.70–54.33)
	Atrophy (95 % CI)	64.70 (11.11–375.14)	5.81 (2.69–12.50)	0.00 (0.00–0.01)
	Intestinal metaplasia (95 % CI)	2.69 (1.66–4.35)	1.39 (0.86–2.24)	0.00 (0.00–0.08)
	Map-like redness (95 % CI)	0.65 (0.40–1.05)	6.29 (3.74–10.50)	0.00 (0.00–0.08)
	Diffuse redness (95 % CI)	22.00 (9.31–52.45)	0.13 (0.06–0.31)	0.00 (0.00–0.19)
		Current infection	Past infection	Noninfection
TXI	RAC (95 % CI)	0.04 (0.01–0.11)	0.74 (0.44–1.26)	42.25 (18.61–95.57)
	Atrophy (95 % CI)	69.75 (11.98–404.29)	6.20 (2.76–13.90)	0.00 (0.00–0.01)
	Intestinal metaplasia (95 % CI)	3.05 (1.90–4.91)	1.54 (0.96–2.45)	0.01 (0.00–0.07)
	Map-like redness (95 % CI)	0.39 (0.24–0.64)	10.97 (6.35–18.98)	0.02 (0.00–0.11)
	Diffuse redness	56.21 (20.35–154.50)	0.04 (0.01–0.13)	0.04 (0.01–0.22)

CI, confidence interval; WLI, white light imaging; TXI, texture and color enhancement imaging; RAC, regular arrangement of collecting venules.