Association Between Neutrophil-to-Lymphocyte Ratio and Vitamin D Deficiency in Patients With Sickle Cell Disease: A Cross-Sectional Study in Central Uganda

Background: Vitamin D deficiency and chronic inflammation are prevalent in individuals with sickle cell disease (SCD), contributing to disease severity. Hematological ratios are simple inflammatory markers that can have various clinical outcomes. The main aim of our study was to assess the association between hematological ratios and vitamin D deficiency among patients with SCD in Central Uganda. Methods: We conducted a cross-sectional study among patients with SCD attending Mengo Hospital, Cent