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Table 1 Patient data eligibility criteria

From: Total lymphocyte count in cancer patients with lymphopenia treated with intravenous vitamin C: Results of an observational study

Inclusion criteria
 Aged ≥18
 Vitamin C deficiency (due to the underlying cancer disease or treatment)
 Previously confirmed cancer diagnosis with previous or current radiation- and/or chemotherapy
 Total lymphocyte count <1500/μL
 Treatment with iv vitamin C 7.5 g once a week, for a total of 4 doses
 Patient's statement of agreement to use and publish their data for the observational study
Exclusion criteria (anamnestic)
 Patients who received colony-stimulating factor
 Patients not completing all four doses of iv vitamin C
 Oxalate-urolithiasis, nephrolithiasis
 Renal insufficiency
 Iron-storage disease (thalassemia, hämochromatosis, sideroblastic anaemia)
 Erythrocytic glucose-6-phosphate-dehydrogenase-deficiency
 Pregnancy and lactation