Evaluation of screening for nasopharyngeal carcinoma: trial design using Markov chain models
1999

Screening for Nasopharyngeal Carcinoma Using Markov Models

publication Evidence: moderate

Author Information

Author(s): Chen H H, Prevost T C, Duffy S W

Primary Institution: Graduate Institute of Epidemiology, College of Public Health, Taiwan University

Hypothesis

Can a Markov chain model effectively estimate the parameters for screening nasopharyngeal carcinoma?

Conclusion

The study suggests that different screening regimens can significantly reduce deaths from nasopharyngeal carcinoma.

Supporting Evidence

  • The average duration of the preclinical screen-detectable phase is estimated as 3.1 years.
  • There is no substantial difference between 3-yearly and 6-yearly serum screening.
  • Annual and 3-yearly clinical assessments can prevent 33% and 28% of deaths from NPC respectively.

Takeaway

This study looks at how to find out the best way to check for a throat cancer called nasopharyngeal carcinoma, and it shows that checking every three years is just as good as checking every six years.

Methodology

A Markov chain model was developed to estimate parameters related to the natural history of nasopharyngeal carcinoma and assess screening efficacy.

Limitations

The estimates are based on limited published data.

Participant Demographics

Hypothetical screening trial in the Hong Kong population.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6690301

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication