Associated factors of hyperuricemia in patients with CKD stages 3–5 and its relation with hemoglobin: A cross-sectional study from Syria

Q3 Nursing Clinical Nutrition Open Science Pub Date : 2025-02-12 DOI:10.1016/j.nutos.2025.02.006

Mohammad Alsultan , Jia Batha , Mohamed Taher Anan , Marwa Kliea , Baraa Abdulkader , Reem Kazkaz , Nour Kasem , Jood Barram , Razan Khalaf , Sally almattny , Mohamad Al Masri , Kassem Basha , Qussai Hassan

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Abstract

Background

Hyperuricemia and anemia are associated with several comorbidities in Chronic-Kidney-Disease (CKD) patients. This study aims to determine the factors related to uric acid (UA) and the relationship between UA and hemoglobin (Hb) in a sample of CKD stages 3–5.

Methods

This cross-sectional study included 198 patients. Hyperuricemia was defined as a UA level of >7 mg\dL in males and >6 mg/dL in females, while was anemia defined as Hb< 11.5 g/dL. Data were compared between two UA groups [the normal UA group (UA1) and the hyperuricemic group (UA2)]. We used linear regression to determine the relationship between UA and variables.

Results

Hyperuricemia was reported in 55.5% of patients, where males and older patients demonstrated higher UA levels. UA2 group demonstrated higher levels of WBCs, Neutrophils percentage (NP), and phosphorus (phos) (P = 0.005, 0.03, and 0.002; respectively), while lymphocytes percentage (LP) showed a lower level (P = 0.04). Also, urea (Ur), creatinine (Cr), and lipid profiles showed non-significant higher levels in UA2 group. In regression analysis, UA showed positive relations with WBCs (P = 0.003), NP (P = 0.002), Ur (P = 0.01), Phos (P <0.0001), TG (P = 0.01), and Chol (P = 0.02). UA showed negative relations with HDL (P= 0.002), and LP (P = 0.002). There was no correlation between UA and Hb even after subgroup analysis based on GFR and cut-off values of UA.

Conclusion

This study supported the inflammatory background associated with hyperuricemia. UA correlated with lipids profile in CKD-patients stages 3–5. There was no relation between UA and Hb in CKD patients in addition to previous conflicting data, future studies were required to establish this relationship.

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