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Minimum sample size for developing a multivariable prediction model using multinomial logistic regression

Abstract:

Aims
Multinomial logistic regression models allow one to predict the risk of a categorical outcome with > 2 categories. When developing such a model, researchers should ensure the number of participants (n)) is appropriate relative to the number of events (Ek)) and the number of predictor parameters (pk) for each category k. We propose three criteria to determine the minimum n required in light of existing criteria developed for binary outcomes. ... Expand abstract
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1177/09622802231151220

Authors


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Role:
Author
ORCID:
0000-0002-0849-3458
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Role:
Author
ORCID:
0000-0001-8699-0735
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Institution:
University of Oxford
Division:
MSD
Department:
NDORMS
Sub department:
Botnar Research Centre
Role:
Author
ORCID:
0000-0002-2772-2316
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Role:
Author
ORCID:
0000-0003-1613-7450
Publisher:
SAGE Publications
Journal:
Statistical Methods in Medical Research More from this journal
Volume:
32
Issue:
3
Pages:
555-571
Place of publication:
England
Publication date:
2023-01-19
DOI:
EISSN:
1477-0334
ISSN:
0962-2802
Pmid:
36660777
Language:
English
Keywords:
Pubs id:
1326780
Local pid:
pubs:1326780
Deposit date:
2024-01-26

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