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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
2
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pubmed:dateCreated |
2000-2-28
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pubmed:abstractText |
Procedures are developed in this paper for sample size calculations for planning a group sequential longitudinal trial with various correlation structures, using a test statistic based on generalized estimating equations (Lee, Kim and Tsiatis) and group sequential boundaries based on type I error spending functions (Lan and DeMets).
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Jan
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pubmed:issn |
0277-6715
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pubmed:author |
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pubmed:copyrightInfo |
Copyright 2000 John Wiley & Sons, Ltd.
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pubmed:issnType |
Print
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pubmed:day |
30
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pubmed:volume |
19
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
205-20
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pubmed:dateRevised |
2007-11-15
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pubmed:meshHeading |
pubmed-meshheading:10641025-Adolescent,
pubmed-meshheading:10641025-Adult,
pubmed-meshheading:10641025-Bone Density,
pubmed-meshheading:10641025-Child,
pubmed-meshheading:10641025-Data Interpretation, Statistical,
pubmed-meshheading:10641025-Energy Intake,
pubmed-meshheading:10641025-Humans,
pubmed-meshheading:10641025-Longitudinal Studies,
pubmed-meshheading:10641025-Models, Statistical,
pubmed-meshheading:10641025-Neoplasms,
pubmed-meshheading:10641025-Precursor Cell Lymphoblastic Leukemia-Lymphoma,
pubmed-meshheading:10641025-Randomized Controlled Trials as Topic,
pubmed-meshheading:10641025-Sample Size
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pubmed:year |
2000
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pubmed:articleTitle |
Sample size calculation for planning group sequential longitudinal trials.
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pubmed:affiliation |
Biostatistics Unit, Lombardi Cancer Center S112, Georgetown University Medical Center, 3800 Reservoir Road NW, Washington, D.C. 20007, USA. liua1@gunet.georgetown.edu
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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