New C‐indices for assessing importance of longitudinal biomarkers in fitting competing risks survival data in the presence of partially masked causes
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DOI: 10.1002/sim.9671
Abstract: Competing risks survival data in the presence of partially masked causes are frequently encountered in medical research or clinical trials. When longitudinal biomarkers are also available, it is of great clinical importance to examine associations… read more here.
Keywords: survival data; masked causes; data presence; risks survival ... See more keywords
Joint modelling of longitudinal and survival data in the presence of competing risks with applications to prostate cancer data
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DOI: 10.1177/1471082x20944620
Abstract: This research is motivated from the data from a large Selenium and Vitamin E Cancer Prevention Trial (SELECT). The prostate specific antigens (PSAs) were collected longitudinally, and the survival endpoint was the time to low-grade… read more here.
Keywords: competing risks; time; grade; data presence ... See more keywords
Estimating correlation between multivariate longitudinal data in the presence of heterogeneity
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DOI: 10.1186/s12874-017-0398-1
Abstract: BackgroundEstimating correlation coefficients among outcomes is one of the most important analytical tasks in epidemiological and clinical research. Availability of multivariate longitudinal data presents a unique opportunity to assess joint evolution of outcomes over time.… read more here.
Keywords: longitudinal data; heterogeneity; correlation multivariate; correlation ... See more keywords