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Does cirrhosis affect quality of life in hepatitis C virus-infected patients?
Priscilla C Hsu1, Mel Krajden, Eric M Yoshida
1British Columbia Centre for Disease Control, Vancouver, BC, Canada.
Insights
Hepatitis C virus (HCV) infection impacts quality of life (QOL). Sociodemographic factors like income and marital status, along with comorbidities, significantly influence QOL more than HCV disease stage.
Area of Science:
- Hepatology
- Public Health
- Health Economics
Background:
- Hepatitis C virus (HCV) infection is a leading cause of chronic liver disease.
- HCV significantly impairs patients' health-related quality of life (QOL).
Purpose of the Study:
- To evaluate QOL in patients with chronic HCV infection across different disease stages (non-cirrhotic, compensated, and decompensated cirrhotic).
- To compare QOL using preference-based (utilities) and non-preference-based methods.
Main Methods:
- 271 patients completed the Health Utility Index (Mark 2 and Mark 3) and Hepatitis Quality of Life Questionnaire.
- QOL scores were compared across HCV disease stages and sociodemographic factors.
- Linear regression and propensity score methods were used to analyze associations between QOL, disease stage, and other factors.
Main Results:
- Mean utility scores were lower than general population norms across all HCV disease stages.
- No significant association was found between HCV disease stage and current health status utility.
- Higher income, fewer comorbidities, and stable marital status were linked to better QOL and higher utility scores.
Conclusions:
- HCV disease stage has a minimal impact on QOL.
- Comorbidities, income, and marital status are stronger determinants of QOL in HCV patients than disease progression.
Background:
Hepatitis C virus (HCV) infection is a major cause of chronic liver disease and is associated with impairments in health-related quality of life.
Aims:
To evaluate quality of life (QOL) in cirrhotic (compensated and decompensated) and non-cirrhotic patients with chronic HCV infection, using preference-based (utilities) and non-preference-based methods of evaluating QOL.
Methods:
In a tertiary care setting, 271 patients completed a self-administered time trade-off utility instrument, the Health Utility Index Mark 2 and Mark 3, and the Hepatitis Quality of Life Questionnaire Version 2. Mean QOL scores were compared across HCV disease stages and sociodemographical categories. We examined the association between QOL and disease stage using linear regression adjusting for age, education, marital status, log income and Charlson comorbidity scores. Mean utility scores were compared across disease stages using a propensity score method.
Results:
Mean utilities were lower than general population norms (0.81-0.92) and ranged from 0.62 to 0.82 in non-cirrhotic patients (n=197), 0.56-0.84 in compensated cirrhotic patients (n=17) and 0.55-0.76 for decompensated cirrhotic patients (n=57). No significant association found was between disease stage and utility for current health status. Higher income, fewer comorbidities and living in a married or common-law relationship were significantly associated with higher utilities and better QOL. No significant difference in utilities was found between disease stages using propensity score matching.
Conclusions:
Our study confirms that changes in HCV disease stage explain only small changes in QOL and suggests that factors such as underlying comorbidities, income and marital status have a greater effect on QOL than disease stage.
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