Effects of Helicobacter pylori eradication on atrophic gastritis and intestinal metaplasia: A 3-year follow-up study

Table 1 Histological scores at entry of study in H pylori-eradicated group and control group (mean±SD)

	H pylori-eradicated group (n = 92)	Control group (n = 87)
Chronic inflammation	1.95 ± 0.40	1.97 ± 0.32
Active inflammation	1.84 ± 0.41	1.90 ± 0.40
Glandular atrophy	1.25 ± 0.44	1.24 ± 0.46
Intestinal metaplasia	0.64 ± 0.76	0.63 ± 0.57

Table 2 Histological scores at baseline and 3 yr after treatment (mean±SD)

	H pylori-eradicated group (n = 92)		Control group (n = 87)
	Baseline	3-yr	Baseline	3-yr
Chronic inflammation	1.95 ± 0.40	1.56 ± 0.53b	1.97 ± 0.32	1.91 ± 0.47
Active inflammation	1.84 ± 0.41	0.39 ± 0.19d	1.90 ± 0.40	1.78 ± 0.44
Glandular atrophy	1.25 ± 0.44	0.97 ± 0.83b	1.24 ± 0.46	1.19 ± 0.82
Intestinal metaplasia	0.64 ± 0.76	0.73 ± 0.77	0.63 ± 0.57	0.83 ± 0.87a

^aP < 0.05,

^bP < 0.01,

^dP < 0.001 vs baseline