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OR, 2´2, OR :

100(1 α)%- OR c lnOR :

100(1 α)%- OR :

:

:

 

:

Bolboacă S., Cadariu A.A. Binomial distribution sample confidence intervals estimation.

5. Odds ratio // Leonardo Journal of Sciences, 2004. No. 4. P. 26-43.

URL: http://ljs.academicdirect.org/A04/26_43.htm

-

PPV NPV - -.

PPV:

Se + Sp > 1. , 1. , , 0,8, 4 , . Se Sp 0,9, 9:1. , PPV , , 36% 64% , .

NPV . :

, RNPV = 1 − RPPV NPV .

, .

.

, . . , :

PPV

NPV.

:

- PPV :

NPV.

:

α , (1 β) , (1 γ PPV) (1 γ NPV) PPV NPV, - ().

:

Steinberg D.M., Fine J., Chappell R. Sample size for positive and negative predictive value in diagnostic research using casecontrol designs // Biostatistics, 2009. - Vol. 10. - N 1. P. 94105.

 


[1] : Newman T.B., Kohn M.A. Evidence-Based Diagnosis. Cambridge et al.: Cambridge University Press, 2009. 295 p.

[2] : Peacock J.L., Peacock P.J. Oxford Handbook of Medical Statistics. New York: Oxford University Press, 2011. 517 p.

[3] : .. : . .: , - , 2008. 160 .

[4] : . ., . ., . . : . . .: , 1983. 471 .

[5] : Hopkins W.G. A Scale of Magnitude for Effect Statistics // A New View of Statistics (http://www.sportsci.org/resource/stats/)





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