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Table 1 Vitamin B 12 , folate and homocysteine levels in H. pylori -positive and negative patients with functional dyspepsia

From: Relationship between vitamin B12, folate and homocysteine levels and H. Pylori infection in patients with functional dyspepsia: A cross-section study

Variable

Concentration

P value*

 

H. pylori positive

H. pylori negative

 
 

(n = 80)

(n = 50)

 
 

Mean ± SD/median (IQR)

Mean ± SD/median (IQR)

 

Vitamin B12 (pg/mL)

357 ± 170/350 (240)

313 ± 136/290 (170)

0.13

Folate (ng/mL)

4.35 ± 1.89/4.6 (2.85)

4.42 ± 1.93/4.5 (3.32)

0.84

Homocysteine (μmol/L)

15.88 ± 8.97/13.84 (8.97)

16.62 ± 7.82/14.5 (7.62)

0.24

  1. *The Mann–Whitney test was used to compare mean homocysteine levels in H. pylori positive vs. H. pylori negative groups, while an independent sample t test was used for comparison of mean concentrations of vitamin B12 and folate between H. pylori positive and H. pylori negative groups.