Progression of Biopsy-Measured Liver Fibrosis in Untreated Patients with Hepatitis C Infection: Non-Markov Multistate Model Analysis
2011

Hepatitis C Progression Study

Sample size: 1062 publication 10 minutes Evidence: moderate

Author Information

Author(s): Bacchetti Peter, Boylan Ross, Astemborski Jacquie, Shen Hui, Mehta Shruti H., Thomas David L., Terrault Norah A., Monto Alexander

Primary Institution: University of California San Francisco

Hypothesis

What factors influence the progression of liver fibrosis in untreated patients with Hepatitis C infection?

Conclusion

The study found that progression risk decreases with longer time spent in the current fibrosis stage, while older current age increases risk.

Supporting Evidence

  • Progression risk decreases with longer time spent in the current fibrosis stage.
  • Older current age increases the risk of progression.
  • African American race is associated with a protective effect against progression.

Takeaway

If you have Hepatitis C, the longer you stay in the same stage of liver damage, the less likely it is to get worse, but getting older makes it more likely to progress.

Methodology

The study used a non-Markov multistate model with multiple imputation to analyze data from 1062 participants.

Potential Biases

Potential selection bias due to clinic-based participant recruitment and reliance on biopsy results.

Limitations

Selection bias may affect the generalizability of the results, and the study relied on self-reported data for some variables.

Participant Demographics

Participants included a diverse group with varying ages and racial backgrounds, including a significant number of African Americans.

Statistical Information

P-Value

0.018

Confidence Interval

0.60 to 0.95

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0020104

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