GEYS, Helena

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GEYS, Helena
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helena.geys@uhasselt.be
 
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Publications

Results 41-60 of 103 (Search time: 0.013 seconds).

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Issue DateTitleContributor(s)TypeCat.
412005Repeated measures and surrogate endpoint validationALONSO ABAD, Ariel; GEYS, Helena; VANGENEUGDEN, TonyBook SectionB3
422005Meta-analytic validation with binary outcomesRENARD, Didier; GEYS, HelenaBook SectionB2
432005Validation using single-trial data: mixed binary and continuous outcomesGEYS, HelenaBook SectionB2
442005Applying concepts of generalizability theory on clinical trial data to investigate sources of variation and their impact on reliabilityVANGENEUGDEN, Tony; LAENEN, Annouschka; GEYS, Helena; RENARD, Didier; MOLENBERGHS, GeertJournal ContributionA1
452005Further validation of the quinpirole-induced compulsive checking paradigm as a model for obsessive-compulsive disorder (OCD)-restraint stress exacerbates some compulsive checking measuresMan, J; Hudson, AL; Nutt, DJ; Ashton, D.; GEYS, HelenaJournal ContributionM
462005Is herpes zoster a marker for occult or subsequent malignancy?Buntinx, F; Wachana, R; Bartholomeeusen, Stefaan; Sweldens, K; GEYS, HelenaJournal ContributionA1
472005Modelling the Herd-specific force of infection for BoHV-1: the influence of missing dataHENS, Niel; FAES, Christel; AERTS, Marc; SHKEDY, Ziv; GEYS, Helena; Mintiens, K.; Laevens, H; Boelaert, FProceedings PaperC2
482004Applying linear mixed models to estimate reliability in clinical trial data with repeated measurementsVANGENEUGDEN, Tony; LAENEN, Annouschka; GEYS, Helena; RENARD, Didier; MOLENBERGHS, GeertJournal ContributionA1
492004Statistical methods for EEG dataCORTINAS ABRAHANTES, Jose; SERROYEN, Jan; GEYS, Helena; MOLENBERGHS, Geert; Drinkenburg, Wihelmus H.I.M.Proceedings PaperC2
502004Validation of surrogate markers in multiple randomized clinical trials with repeated measurements: Canonical correlation approachALONSO ABAD, Ariel; GEYS, Helena; MOLENBERGHS, Geert; Kenward, Michael G.; VANGENEUGDEN, TonyJournal ContributionA1
512004Pseudo-likelihood estimation for a marginal multivariate survival modelTIBALDI, Fabian; MOLENBERGHS, Geert; BURZYKOWSKI, Tomasz; GEYS, HelenaJournal ContributionA1
522004A pairwise likelihood approach to estimation in multilevel probit modelsRENARD, Didier; MOLENBERGHS, Geert; GEYS, HelenaJournal ContributionA1
532004Prentice's approach and the meta-analytic paradigm: a reflection on the role of statistics in the evaluation of surrogate endpointsALONSO ABAD, Ariel; MOLENBERGHS, Geert; BURZYKOWSKI, Tomasz; RENARD, Didier; GEYS, Helena; SHKEDY, Ziv; TIBALDI, Fabian; CORTINAS ABRAHANTES, Jose; BUYSE, MarcJournal ContributionA1
542004Bayesian testing for trend in a power model for clustered binary dataFAES, Christel; AERTS, Marc; GEYS, Helena; MOLENBERGHS, Geert; DECLERCK, LievenJournal ContributionA1
552004Modeling combined continuous and ordinal outcomes in a clustered settingFAES, Christel; GEYS, Helena; AERTS, Marc; MOLENBERGHS, Geert; CATALANO, PaulJournal ContributionA1
562003Multivariate Plackett-Dale inference to study the inheritance of longevity in a Belgian villageTIBALDI, Fabian; Van de Putte, Bart; GEYS, Helena; MOLENBERGHS, Geert; Matthijs, Koen; Vlietinck, RobertProceedings PaperC2
572003Validation of surrogate markers in multiple randomized clinical trials with repeated measuresALONSO ABAD, Ariel; GEYS, Helena; MOLENBERGHS, Geert; Kenward, Michael G.; VANGENEUGDEN, TonyJournal ContributionA1
582003Geographical differences in cancer incidence in the Belgian province of LimburgBuntinx, Frank; GEYS, Helena; Lousbergh, D.; BROEDERS, Geert; CLOES, Edith; Dhollander, D.; Op de Beeck, L.; Vandenbrande, J.; Van Waes, A.; MOLENBERGHS, GeertJournal ContributionA1
792003Validation of a longitudinally measured surrogate for a time-to-event endpointRENARD, Didier; GEYS, Helena; MOLENBERGHS, Geert; BURZYKOWSKI, Tomasz; BUYSE, Marc; VANGENEUGDEN, Tony; BIJNENS, LucJournal ContributionA1
802003Validation of biomarkers as surrogates for clinical endpointsBUYSE, Marc; VANGENEUGDEN, Tony; BIJNENS, Luc; RENARD, Didier; BURZYKOWSKI, Tomasz; GEYS, Helena; MOLENBERGHS, GeertBook SectionB3
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