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Updated: Nov 3, 2025

A Protocol for Analyzing Hepatitis C Virus Replication
Published on: June 26, 2014
The association between hepatitis C virus infection and renal function
Gantsetseg Gantumur1,2, Batbold Batsaikhan3, Ching-I Huang1,4
1Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, ROC.
Insights
Hepatitis C virus (HCV) infection is linked to decreased kidney function, particularly in patients who are obese, diabetic, or hypertensive. This study clarifies the association between HCV and chronic kidney disease (CKD).
Area of Science:
- Nephrology
- Hepatology
- Epidemiology
Background:
- The relationship between Hepatitis C Virus (HCV) infection and Chronic Kidney Disease (CKD) remains debated.
- Investigating the impact of HCV on renal function is crucial for understanding disease progression.
Purpose of the Study:
- To determine if HCV infection significantly affects kidney function.
- To analyze the association between clinical factors of chronic hepatitis C (CHC) and reduced glomerular filtration rate (eGFR).
Main Methods:
- A cohort study involving 3360 patients with HCV infection and 3360 matched controls (2004-2016).
- Estimated glomerular filtration rate (eGFR) calculated using the Modification of Diet in Renal Diseases formula.
- Demographic and laboratory data analyzed using multivariate logistic regression.
Main Results:
- HCV-infected patients showed a significantly lower eGFR compared to controls.
- Obesity (BMI >25 kg/m2), hypertension, and diabetes were independently associated with low eGFR in controls.
- These conditions (obesity, hypertension, diabetes) showed an interaction with HCV infection in reducing eGFR.
Conclusions:
- HCV infection is associated with decreased kidney function (low eGFR).
- This association is particularly evident in patients with co-existing obesity, diabetes, or hypertension.
- Findings highlight the importance of managing these comorbidities in HCV patients to preserve renal health.
Background:
The association between hepatitis C virus (HCV) infection and chronic kidney disease (CKD) still remains controversial. We aimed to investigate whether HCV really affects renal function, and to analyze the association between clinical effects of CHC and decreased kidney function (assessed by glomerular filtration rate (eGFR) level).
Methods:
An estimated 3360 patients with HCV infection and 3360 age- and sex-matched community-based control individuals without HCV were enrolled (1:1, case and control ratio) in this study between 2004 and 2016. We used the modification of diet in renal diseases to calculate eGFR. Demographic and laboratory parameters were assessed, and appropriate statistical methods were performed for the analysis.
Results:
Multivariate logistic regression analysis revealed that serum alanine aminotransferase level (odds ratio [OR] 0.998; 95% confidence interval [CI] 0.997-0.999; P = 0.001), platelet count (OR 0.997; 95% CI 0.995-0.999; p = 0.002), and hypertension (OR 1.31; 95% CI 1.03-1.66; P = 0.027) were significantly associated with HCV infection and serum triglyceride levels (OR 1.001; 95% CI 1.00-1.002; p = 0.005), platelet count (OR 0.996; 95% CI 0.995-0.997; p < 0.001), body mass index (BMI) >25 (OR 1.43; 95% CI 1.23-1.67; p < 0.001), hypertension (OR 1.69; 95% CI 1.42-1.99; p < 0.001), hyperlipidemia (OR 1.32; 95% CI 1.02-1.71; p = 0.035), and diabetes (OR 1.33; 95% CI 1.03-1.71; p = 0.032) were significantly associated with a low eGFR (<90 mL/min/m3) in control subjects. The BMI >25 kg/m2, hypertension, and diabetes were found to be associated with low eGFR interaction with the HCV infection, via a multivariate analysis.
Conclusion:
Our study found that the patients with HCV infection are associated with a low eGFR compared with non-HCV-infected patients. This association is consistent in obese, diabetic, and hypertensive patients.
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