A New Model Using Routinely Available Clinical Parameters to Predict Significant Liver Fibrosis in Chronic Hepatitis B
2011

Predicting Significant Liver Fibrosis in Chronic Hepatitis B

Sample size: 237 publication Evidence: moderate

Author Information

Author(s): Seto Wai-Kay, Lee Chun-Fan, Lai Ching-Lung, Ip Philip P. C., Fong Daniel Yee-Tak, Fung James, Wong Danny Ka-Ho, Yuen Man-Fung

Primary Institution: Department of Medicine, the University of Hong Kong, Queen Mary Hospital, Hong Kong

Hypothesis

Can a predictive model using routinely available clinical parameters accurately predict significant fibrosis in chronic hepatitis B patients?

Conclusion

The PAPAS index can predict and exclude significant fibrosis, potentially reducing the need for liver biopsy in chronic hepatitis B patients.

Supporting Evidence

  • The PAPAS index achieved an AUROC of 0.776 for predicting significant fibrosis.
  • The negative predictive value of the PAPAS index was 88.4%.
  • 67.5% of liver biopsies could be avoided for patients with ALT <2×ULN using the PAPAS index.

Takeaway

Doctors created a new way to tell if people with chronic hepatitis B have serious liver damage without needing a painful liver biopsy.

Methodology

The study involved 237 treatment-naïve chronic hepatitis B patients who underwent liver biopsy, with data analyzed using a predictive model based on 12 clinical parameters.

Potential Biases

The study may be biased towards a high negative predictive value due to the patient demographics.

Limitations

The study was limited to Chinese patients and may not be applicable to other populations; external validation is needed.

Participant Demographics

The median age was 38.2 years, with 67.2% male and 41.3% HBeAg-positive patients.

Statistical Information

P-Value

0.270

Confidence Interval

0.694–0.854

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023077

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