Journal
BIOSTATISTICS
Volume 8, Issue 2, Pages 252-264Publisher
OXFORD UNIV PRESS
DOI: 10.1093/biostatistics/kxl006
Keywords
human papillomavirus; misclassification; multistate process; natural history
Funding
- NIAID NIH HHS [U01 AI38855, AI24643] Funding Source: Medline
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Continuous-time, multistate processes can be used to represent a variety of biological processes in the public health sciences; yet the analysis of such processes is complex when they are observed only at a limited number of time points. Inference methods for such panel data have been developed for time homogeneous Markov models, but there has been little research done for other classes of processes. We develop likelihood-based methods for panel data from a semi-Markov process, where transition intensities depend on the duration of time in the current state. The proposed methods account for possible misclassification of states. To illustrate the methods, we investigate a three- and a four-state models in detail and apply the results to model the natural history of oncogenic genital human papillomavirus infections in women.
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