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Table 4 Relationships between B 12 , folate and homocysteine levels with H. pylori status in functional dyspepsia patients

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

Vitamin status

H. pylori positive (n = 80)

H. pylori negative (n = 50)

P value*

 

n

Homocysteine (μmol/L)

P value*

n

Homocysteine (μmol/L)

 
  

Mean ± SD/median (IQR)

  

Mean ± SD/median (IQR)

 

Vit B12 deficient

(≤200 pg/mL)

19

15.8 ± 7.3/15.5 (9.2)

0.68

11

18.1 ± 7.9/16.2 (7.0)

0.33

Vit B12 normal

(>200 pg/mL)

61

15.9 ± 9.5/13.8 (8.2)

 

39

16.2 ± 7.9/14.2 (9.1)

 

Folate deficient

(≤3.5 ng/mL)

27

17.4 ± 7.7/15.3 (11.9)

0.07

18

19.6 ± 10.5/17.2 (8.9)

0.16

Folate normal

(>3.5 ng/mL)

53

15.1 ± 9.5/13.1 (7.6)

 

32

14.9 ± 5.3/13.9 (5.8)

 
  1. *The Mann–Whitney test was used to compare mean homocysteine levels in vitamin deficient vs. vitamin normal groups.