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Table 5 Comparison of serum trace element level among H. pylori-positive cases, H. pylori-negative cases, and the control group

From: Serum level of some micronutrients in children infected with Helicobacter pylori

 H. pylori-positive (N = 18)H. pylori-negative (N = 14)Controls (N = 18)P1P2P3
MicronutrientMean ± SDMean ± SDMean ± SD   
Zinc (μg/dl)84.2 ± 13.8592.2 ± 8.5394.6 ± 6.520.0540.009*0.403
Selenium (ng/ml)118.2 ± 11.13112.1 ± 8.69113.1 ± 13.760.0960.2430.81
Vit C (ng/l)220.7 ± 46.16305.1 ± 28.83313.1 ± 31.430.0001*0.0001*0.458
Vit B12 (ng/l)167.8 ± 76.980290.1 ± 69.92326.1 ± 38.670.0001*0.0001*0.1
  1. P1: H. pylori-positive versus H. pylori-negative
  2. P2: H. pylori-positive versus controls
  3. P3: H. pylori-negative versus controls
  4. *Statistically significant