Predicting Individual Risk of Advanced Adenoma Based on the Interval‐Censored Recurrent Adenoma Event and Informative Screening Time
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2026
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| author | Yipeng Wei May AlHusseini Hormuzd A. Katki Rajeshwari Sundaram Qing Pan |
| author_facet | Yipeng Wei May AlHusseini Hormuzd A. Katki Rajeshwari Sundaram Qing Pan Yipeng Wei May AlHusseini Hormuzd A. Katki Rajeshwari Sundaram Qing Pan |
| collection | Wiley Open Access |
| contents | Predicting Individual Risk of Advanced Adenoma Based on the Interval‐Censored Recurrent Adenoma Event and Informative Screening Time Yipeng Wei May AlHusseini Hormuzd A. Katki Rajeshwari Sundaram Qing Pan Statistics in Medicine ABSTRACT Panel count data is common in cancer screening. In the context of colorectal cancer screening, our work focuses on the prediction of the probability of advanced adenoma conditional on patient‐level risk factors and/or event history. We implement the joint frailty model proposed by Huang et al. which involves a non‐stationary Poisson process for recurrent adenoma events and informative screening time using semi‐parametric Cox models correlated by a latent frailty variable, where coefficients and baseline intensity functions are estimated by estimating equations. Subject‐specific frailty value is estimated by the borrow‐strength method. In addition, marginal models for the adenoma and screening events are also applicable when average covariate effects on the population level are of interest. Predictions based on the marginal model and predictions based on the frailty models for patients with or without a screening history are compared. When a patient's screening history is available and sufficient adenoma events are observed, the predictions based on the frailty model with estimated subject‐specific frailty are superior. However, in the cases of early censoring when adenoma events are not observed for most patients and screening history is not available, the prediction based on the marginal model has better performance. Furthermore, for patients' future screening, the individualized screening intervals derived from the dynamic predictions of advanced adenoma risks will detect adenoma events earlier with shorter lag time between the adenoma state transition and the screening compared to the current practice of regular screening intervals. 10.1002/sim.70478 http://onlinelibrary.wiley.com/termsAndConditions#vor |
| doi_str_mv | 10.1002/sim.70478 |
| format | Artículo Open Access |
| id | wiley_oa_10_1002_sim_70478 |
| institution | Wiley Open Access |
| license_str_mv | http://onlinelibrary.wiley.com/termsAndConditions#vor |
| publishDate | 2026 |
| publisher | Wiley |
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| spellingShingle | Predicting Individual Risk of Advanced Adenoma Based on the Interval‐Censored Recurrent Adenoma Event and Informative Screening Time Yipeng Wei May AlHusseini Hormuzd A. Katki Rajeshwari Sundaram Qing Pan Statistics in Medicine Predicting Individual Risk of Advanced Adenoma Based on the Interval‐Censored Recurrent Adenoma Event and Informative Screening Time Yipeng Wei May AlHusseini Hormuzd A. Katki Rajeshwari Sundaram Qing Pan Statistics in Medicine ABSTRACT Panel count data is common in cancer screening. In the context of colorectal cancer screening, our work focuses on the prediction of the probability of advanced adenoma conditional on patient‐level risk factors and/or event history. We implement the joint frailty model proposed by Huang et al. which involves a non‐stationary Poisson process for recurrent adenoma events and informative screening time using semi‐parametric Cox models correlated by a latent frailty variable, where coefficients and baseline intensity functions are estimated by estimating equations. Subject‐specific frailty value is estimated by the borrow‐strength method. In addition, marginal models for the adenoma and screening events are also applicable when average covariate effects on the population level are of interest. Predictions based on the marginal model and predictions based on the frailty models for patients with or without a screening history are compared. When a patient's screening history is available and sufficient adenoma events are observed, the predictions based on the frailty model with estimated subject‐specific frailty are superior. However, in the cases of early censoring when adenoma events are not observed for most patients and screening history is not available, the prediction based on the marginal model has better performance. Furthermore, for patients' future screening, the individualized screening intervals derived from the dynamic predictions of advanced adenoma risks will detect adenoma events earlier with shorter lag time between the adenoma state transition and the screening compared to the current practice of regular screening intervals. 10.1002/sim.70478 http://onlinelibrary.wiley.com/termsAndConditions#vor |
| title | Predicting Individual Risk of Advanced Adenoma Based on the Interval‐Censored Recurrent Adenoma Event and Informative Screening Time |
| topic | Statistics in Medicine |
| url | https://onlinelibrary.wiley.com/doi/10.1002/sim.70478 |