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Table 1 Demographic data

From: Altered cytokine expression in Helicobacter pylori infected patients with bleeding duodenal ulcer

Variable HbP+ HbPØ Total p
Gender
 Male 26 (86.7%) 28 (93.4%) 54 (90.0%) NS
 Female 4 (13.3%) 2 (6.6%) 6 (10.0%)
Age (mean ± SD) 50.9 ± 13.2 53.3 ± 11.8 52.1 ± 12.5 NS