Helicobacter pylori infection as a cause of iron deficiency anaemia of unknown origin

Table 1 Comparison of demographic, clinical, and biological data between included patients and those lost in follow-up

	Included patients (n = 89)	Loss of follow-up patients (n = 25)
Age (yr), mean ± SE	46.0 ± 11.8	41.0 ± 14.2
Sex (M/F)	10/79	4/21
Postmenopausal women	17.90%	16.00%
Chronic antral gastritis	81.80%	78.30%
Chronic body gastritis	83.00%	78.30%
Associated enteropathy	59.50%	60.00%
HLA-DQ2 and/or DQ8+	48.30%	40.00%

There were no significant differences in any parameter. HLA: Human leukocyte antigen; M/F: Male/female.