The Relation of Cytotoxin-Associated Gene-A Seropositivity with Vitamin B12 Deficiency in Helicobacter pylori-Positive Patients

Table 1

H. pylori, CagA, and vitamin B12 status of patients.

	Females, n (%)	Males, n (%)	Total	value^x
n	150 (51.9%)	139 (48.1%)	289 (100.0%)
Age	43.4 ± 15.6	46.5 ± 15.9	44.8 ± 15.8
H. pylori (+)	117 (78.0%)	96 (69.1%)	213 (73.7%)
CagA (+) (arbU/mL)	72 (48.0%)	50 (36.0%)	122 (42.2%)
Vitamin B12 (pg/ml)	292 ± 139	288 ± 139	292 ± 143 (50–804)	0.539

H. pylori: Helicobacter pylori; CagA: cytotoxin-associated gene-A. ⁺Females versus males. Pearson’s chi-square test. Student’s t-test.