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http://hdl.handle.net/1942/10387
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DC Field | Value | Language |
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dc.contributor.author | Kenward, Michael G. | - |
dc.contributor.author | MOLENBERGHS, Geert | - |
dc.date.accessioned | 2010-02-03T19:47:27Z | - |
dc.date.available | 2010-02-03T19:47:27Z | - |
dc.date.issued | 2009 | - |
dc.identifier.citation | JOURNAL OF BIOPHARMACEUTICAL STATISTICS, 19 (5). p. 872-888 | - |
dc.identifier.issn | 1054-3406 | - |
dc.identifier.uri | http://hdl.handle.net/1942/10387 | - |
dc.description.abstract | In spite of widespread criticism and notwithstanding the availability of flexible, broadly valid, and conveniently implemented methods like direct-likelihood and direct-Bayesian analyses, last observation carried forward (LOCF), baseline observation carried forward (BOCF), and complete case analysis remain popular for handling incomplete clinical trial data. To the well-known criticisms toward LOCF and BOCF, namely, that they can be either conservative or liberal depending on the context, that they can violate the intention-to-treat principle, and so on, we add that, with the exception of certain degenerate and unrealistic special cases, these methods are incompatible with the sensible requirement that the mechanism governing dropout be independent of future, unobserved measurements, given covariates, past observed measurements, and the current possibly missing measurement. | - |
dc.description.sponsorship | The authors gratefully acknowledge support from IAP research Network P6/03 of the Belgian Government (Belgian Science Policy). | - |
dc.language.iso | en | - |
dc.publisher | TAYLOR & FRANCIS INC | - |
dc.rights | Copyright © Taylor & Francis Group, LLC | - |
dc.subject.other | baseline observation carried forward; BOCF; complete case analysis; direct likelihood; LOCF; missing at random; missing not at random; pattern-mixture model; selection model | - |
dc.subject.other | Baseline observation carried forward; BOCF; Complete case analysis; Direct likelihood; LOCF; Missing at random; Missing not at random; Pattern-mixture model; Selection model | - |
dc.title | Last observation carried forward: A crystal ball? | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 888 | - |
dc.identifier.issue | 5 | - |
dc.identifier.spage | 872 | - |
dc.identifier.volume | 19 | - |
local.format.pages | 17 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | [Molenberghs, Geert] Univ Hasselt, I BioStat, B-3590 Diepenbeek, Belgium. [Molenberghs, Geert] Katholieke Univ Leuven, I BioStat, Louvain, Belgium. [Kenward, Michael G.] London Sch Hyg & Trop Med, Med Stat Unit, London WC1, England. geert.molenberghs@uhasselt.be | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
dc.identifier.doi | 10.1080/10543400903105406 | - |
dc.identifier.isi | 000273623200009 | - |
item.accessRights | Restricted Access | - |
item.contributor | Kenward, Michael G. | - |
item.contributor | MOLENBERGHS, Geert | - |
item.fullcitation | Kenward, Michael G. & MOLENBERGHS, Geert (2009) Last observation carried forward: A crystal ball?. In: JOURNAL OF BIOPHARMACEUTICAL STATISTICS, 19 (5). p. 872-888. | - |
item.fulltext | With Fulltext | - |
item.validation | ecoom 2011 | - |
crisitem.journal.issn | 1054-3406 | - |
crisitem.journal.eissn | 1520-5711 | - |
Appears in Collections: | Research publications |
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kenward2009.pdf Restricted Access | Published version | 137.31 kB | Adobe PDF | View/Open Request a copy |
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