Effect of unsuccessful H pylori eradiation treatment (n=17) on chemiluminescence and malondialdehyde and vitamin C concentrations in antral biopsy samples
| Before eradiation | After eradication | |
| Chemiluminescence (cpm/mg) | 30301 (12112–54921) | 10822 (2348–29006) |
| Malondialdehyde (nmol/g) | 108.0 (85.1–143.1) | 101.4 (81.2–109.4) |
| Ascorbic acid (μmol/kg) | 555 (286–691) | 518 (272–902) |
| Total vitamin C (μmol/kg) | 618 (382–897) | 608 (306–910) |
Values are expressed as median (interquartile range).