. 2009 Mar 7;55(2):351–358. doi: 10.1007/s10620-009-0761-0

Table 2.

S-vitamin B12, S-folate, and S-homocysteine concentrations in relation to histomorphology in the gastric and duodenal mucosa at baseline

Gastro-duodenal histomorphology	Vitamin B 12, pmol/l	Folate, nmol/l	Homocysteine, μmol/l
Gastro-duodenal histomorphology	Median (min–max) no. examined P	Median (min–max) no. examined P	Median (min–max) no. examined P
Normal gastric mucosa without H.pylori infection	266 (118–663)	9.9 (2.1–35.2)	12.2 (2.9–33.1)
	220	215	242
	–	–	–
H. pylori-associated chronic gastritis without significant atrophy of the corpus mucosa	282 (98–789)	9.0 (3.1–36.3)	13.1 (4.8–35.7)
	179	175	190
	0.72^a	0.21^a	0.06^a
Non-H. pylori-associated chronic gastritis without significant atrophy of the corpus mucosa	281 (161–575)	12.1 (5.1–30.0)	12.0 (8.7–21.2)
	27	24	27
	0.86^a	0.08^a	0.50^a
Chronic gastritis with atrophy of the corpus mucosa with or without H. pylori infection	269 (107–497)	9.6 (4.0–24.2)	20.1 (10.2–50.0)
	15	19	20
	0.14^a	0.61^a	<0.001^a
No significant villous atrophy of the duodenal mucosa	269 (98–789)	9.6 (3.1–36.3)	12.7 (2.9–50.0)
	430	422	467
	–	–	–
Villous atrophy of the duodenal mucosa (Alexander grade III to IV)	319 (224–603)	6.1 (2.1–12.8)	13.9 (8.5–33.1)
	8	8	9
	0.16^b	0.02^b	0.47^b

^a P-value from the Mann–Whitney U-test when compared to participants with normal gastric mucosa

^b P-value from the Mann–Whitney U-test when compared to participants with mild or no villous atrophy of the duodenal mucosa