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Titolo:
Unbiased confidence intervals for the odds ratio of two independent binomial samples with application to case-control data
Autore:
Troendle, JF; Frank, J;
Indirizzi:
NICHHD, Biometry & Math Stat Branch, Div Epidemiol Stat & Prevent Res, NIH, Bethesda, MD 20892 USA NICHHD Bethesda MD USA 20892 t & Prevent Res, NIH, Bethesda, MD 20892 USA Minitab, State Coll, PA 16801 USA Minitab State Coll PA USA 16801Minitab, State Coll, PA 16801 USA
Titolo Testata:
BIOMETRICS
fascicolo: 2, volume: 57, anno: 2001,
pagine: 484 - 489
SICI:
0006-341X(200106)57:2<484:UCIFTO>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
PROPORTIONS;
Keywords:
conditional; confidence interval; maximization; odds ratio; profile;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
10
Recensione:
Indirizzi per estratti:
Indirizzo: Troendle, JF NICHHD, Biometry & Math Stat Branch, Div Epidemiol Stat & Prevent Res, NIH, Bldg 6100,Room 7B13, Bethesda, MD 20892 USA NICHHD Bldg 6100,Room 7B13 Bethesda MD USA 20892 MD 20892 USA
Citazione:
J.F. Troendle e J. Frank, "Unbiased confidence intervals for the odds ratio of two independent binomial samples with application to case-control data", BIOMETRICS, 57(2), 2001, pp. 484-489

Abstract

The problem of confidence interval construction for the odds ratio of two independent binomial samples is considered. Two methods of eliminating the nuisance parameter from the exact likelihood, conditioning and maximization, are described. A conditionally exact tail method exists by putting together upper and lower bounds. A shorter interval can be obtained by simultaneous consideration of both tails. We present here new methods that extend thetail and simultaneous approaches to the maximized likelihood. The methods are unbiased and applicable to case-control data, for which the odds ratio is important. The confidence interval procedures are compared unconditionally for small sample sizes in terms of their expected length and coverage probability. A Bayesian confidence interval method and a large-sample chi (2)procedure are included in the comparisons.

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Documento generato il 28/03/20 alle ore 09:49:52