Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Alan Kimber"'
Publikováno v:
Biometrical Journal. 62:1192-1207
In this article, we address a missing data problem that occurs in transplant survival studies. Recipients of organ transplants are followed up from transplantation and their survival times recorded, together with various explanatory variables. Due to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f22867569fb0e3089c31b0737c64265b
https://doi.org/10.1002/bimj.201800253
https://doi.org/10.1002/bimj.201800253
Publikováno v:
Biometrical Journal. 57:633-648
Meta-analysis of rare event studies has recently become a subject of controversy and debate. We will argue and demonstrate in this paper that the occurrence of zero events in clinical trials or cohort studies, even if zeros occur in both arms (the ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4307c82018c138ede78fd01986082e2
https://doi.org/10.1002/bimj.201400184
https://doi.org/10.1002/bimj.201400184
The exponential-based proportional hazards model is often assumed in time-to-event experiments but may only approximately hold. Deviations in different neighbourhoods of this model are considered that include other widely used parametric proportional
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f966f7cca8262b56441bfd49c8702d23
http://oro.open.ac.uk/72261/1/PDF_72261.pdf
http://oro.open.ac.uk/72261/1/PDF_72261.pdf
Publikováno v:
Biometrical journal. Biometrische Zeitschrift. 60(1)
A common design for a falls prevention trial is to assess falling at baseline, randomize participants into an intervention or control group, and ask them to record the number of falls they experience during a follow-up period of time. This paper addr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ce07d24c2bfb02d9fdf421e8a6480b6
https://pubmed.ncbi.nlm.nih.gov/29067697
https://pubmed.ncbi.nlm.nih.gov/29067697
Publikováno v:
Parkinsonism & Related Disorders. 17:106-111
Purpose To investigate clinical, demographic and dietary factors associated with constipation in a sample of community dwelling people with Parkinson’s disease, recruited through a specialist outpatient clinic. Partners/carers provided a convenienc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::208c3193b237d434bc3a8d8acb4d2569
https://doi.org/10.1016/j.parkreldis.2010.11.003
https://doi.org/10.1016/j.parkreldis.2010.11.003
Publikováno v:
Computational Statistics & Data Analysis. 51:5317-5326
In survival analysis frailty is often used to model heterogeneity between individuals or correlation within clusters. Typically frailty is taken to be a continuous random effect, yielding a continuous mixture distribution for survival times. A Bayesi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::209c983bef769a7e159ab66747ff9fe1
https://doi.org/10.1016/j.csda.2006.09.026
https://doi.org/10.1016/j.csda.2006.09.026
© 2015 Elsevier B.V. Time-to-event data are often modelled through Cox's proportional hazards model for which inference is based on the partial likelihood function. We derive a general expression for the asymptotic covariance matrix of Cox's partial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd21d770a6b1e5920aa2355c775dfa67
https://hdl.handle.net/20.500.14279/14965
https://hdl.handle.net/20.500.14279/14965
Publikováno v:
Journal of Applied Statistics. 33:1067-1074
Survival times for the Acacia mangium plantation in the Segaliud Lokan Project, Sabah, East Malaysia were analysed based on 20 permanent sample plots (PSPs) established in 1988 as a spacing experiment. The PSPs were established following a complete r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85bf8d418f5941505c070e63e06c4efe
https://doi.org/10.1080/02664760600746616
https://doi.org/10.1080/02664760600746616
Autor:
E. Adele Mcevilly, Sarah E. Hampson, L Storey, Heather Gage, Jo Hart, Sue Cradock, David R. Foxcroft, Alan Kimber, T. Chas Skinner
Publikováno v:
Patient Education and Counseling. 53:333-346
Diabetes incurs heavy personal and health system costs. Self-management is required if complications are to be avoided. Adolescents face particular challenges as they learn to take responsibility for their diabetes. A systematic review of educational
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a9dca9890ddf5a20851e0074be29e3b
https://doi.org/10.1016/j.pec.2003.06.003
https://doi.org/10.1016/j.pec.2003.06.003
Autor:
C. Caroni, Alan Kimber
Publikováno v:
Journal of Statistical Computation and Simulation. 74:15-23
Heterogeneity in lifetime data may be modelled by multiplying an individual's hazard by an unobserved frailty. We test for the presence of frailty of this kind in univariate and bivariate data with Weibull distributed lifetimes, using statistics base
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a498b44937313f79ccf79c9f58b71e9f
https://doi.org/10.1080/0094965031000104305
https://doi.org/10.1080/0094965031000104305