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
| Â | H. pylori-positive (N = 18) | H. pylori-negative (N = 14) | Controls (N = 18) | P1 | P2 | P3 |
|---|---|---|---|---|---|---|
Micronutrient | Mean ± SD | Mean ± SD | Mean ± SD |  |  |  |
Zinc (μg/dl) | 84.2 ± 13.85 | 92.2 ± 8.53 | 94.6 ± 6.52 | 0.054 | 0.009* | 0.403 |
Selenium (ng/ml) | 118.2 ± 11.13 | 112.1 ± 8.69 | 113.1 ± 13.76 | 0.096 | 0.243 | 0.81 |
Vit C (ng/l) | 220.7 ± 46.16 | 305.1 ± 28.83 | 313.1 ± 31.43 | 0.0001* | 0.0001* | 0.458 |
Vit B12 (ng/l) | 167.8 ± 76.980 | 290.1 ± 69.92 | 326.1 ± 38.67 | 0.0001* | 0.0001* | 0.1 |