Sökning: id:"swepub:oai:gup.ub.gu.se/134609" > Bias in odds ratios...
Fältnamn | Indikatorer | Metadata |
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000 | 03448naa a2200505 4500 | |
001 | oai:gup.ub.gu.se/134609 | |
003 | SwePub | |
008 | 240910s2009 | |||||||||||000 ||eng| | |
009 | oai:prod.swepub.kib.ki.se:119302225 | |
024 | 7 | a https://gup.ub.gu.se/publication/1346092 URI |
024 | 7 | a https://doi.org/10.1186/1471-2288-9-562 DOI |
024 | 7 | a http://kipublications.ki.se/Default.aspx?queryparsed=id:1193022252 URI |
040 | a (SwePub)gud (SwePub)ki | |
041 | a eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Nemes, Szilard,d 1977u Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences4 aut0 (Swepub:gu)xnemsz |
245 | 1 0 | a Bias in odds ratios by logistic regression modelling and sample size. |
264 | c 2009-07-27 | |
264 | 1 | b Springer Science and Business Media LLC,c 2009 |
338 | a electronic2 rdacarrier | |
520 | a Background: In epidemiological studies researchers use logistic regression as an analytical tool to study the association of a binary outcome to a set of possible exposures. Methods: Using a simulation study we illustrate how the analytically derived bias of odds ratios modelling in logistic regression varies as a function of the sample size. Results: Logistic regression overestimates odds ratios in studies with small to moderate samples size. The small sample size induced bias is a systematic one, bias away from null. Regression coefficient estimates shifts away from zero, odds ratios from one. Conclusion: If several small studies are pooled without consideration of the bias introduced by the inherent mathematical properties of the logistic regression model, researchers may be mislead to erroneous interpretation of the results. | |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Cancer och onkologi0 (SwePub)302032 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Cancer and Oncology0 (SwePub)302032 hsv//eng |
653 | a Bias (Epidemiology) | |
653 | a Computer Simulation | |
653 | a Female | |
653 | a Humans | |
653 | a Logistic Models | |
653 | a Models | |
653 | a Statistical | |
653 | a Odds Ratio | |
653 | a Pregnancy | |
653 | a Sample Size | |
700 | 1 | a Miao Jonasson, Junmei,d 1972u Karolinska Institutet,Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences4 aut0 (Swepub:gu)xmiaoj |
700 | 1 | a Genell, Annau Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences4 aut0 (Swepub:gu)xgenan |
700 | 1 | a Steineck, Gunnar,d 1952u Karolinska Institutet,Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences4 aut0 (Swepub:gu)xstegu |
710 | 2 | a Göteborgs universitetb Institutionen för kliniska vetenskaper4 org |
773 | 0 | t BMC medical research methodologyd : Springer Science and Business Media LLCg 9q 9x 1471-2288 |
856 | 4 | u https://gup.ub.gu.se/publication/134609x primaryx freey FULLTEXT |
856 | 4 | u https://bmcmedresmethodol.biomedcentral.com/track/pdf/10.1186/1471-2288-9-56 |
856 | 4 8 | u https://gup.ub.gu.se/publication/134609 |
856 | 4 8 | u https://doi.org/10.1186/1471-2288-9-56 |
856 | 4 8 | u http://kipublications.ki.se/Default.aspx?queryparsed=id:119302225 |
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