() PSI (Predictive Summary Index) , NNP (Number Needed to Predict):
PSI , :
NNP , , , , :
:
: PPR (Positive Prediction Ratio) NPR (Negative Prediction Ratio):
PPR :
NPR :
:
, :
-
:
FC (Fraction Correct) ( Accuracy), FI (Fraction Incorrect)
FC : :
:
FI : :
:
II:
|
|
, , NNS.
NND , , ( ) , .
(UI [+]) (UI [+]) (UI [-]) . :
:
Se Sp :
Yerushalmy J. Statistical problems in assessing methods of medical diagnosis, with special reference to x-ray techniques // Public Health Reports, 1947. - Vol. 62. - No. 40. P. 1433 1449. URL:
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1995292/pdf/pubhealthreporig01333-0001.pdf
.:
Lilienfeld D.E. Abe and Yak: the interactions of Abraham M. Lilienfeld and Jacob Yerushalmy in the development of modern epidemiology (1945-1973) // Epidemiology, 2007. Vol. 18. N 4. P. 507-514.
J Y :
Youden W.J. Index for rating diagnostic tests // Cancer, 1950. Vol. 3. N 1. - P. 3235.
URL: http://onlinelibrary.wiley.com/doi/10.1002/1097-0142(1950)3:1%3C32::AID-CNCR2820030106%3E3.0.CO;2-3/pdf
1884 .
Peirce .S. The numerical measure of the success of predictions // Science, 1884. Vol. 4. - N 93. P. 453-454.
.:
Baker S.G., Kramer B. Peirce, Youden and receiver operating characteristic curves // The American Statistician, 2007. N 6 P. 14.
NND :
Bandolier: How good is that test II // Bandolier, 1996. - Vol. 27. N 2. P. 64 -66.
URL: http://www.medicine.ox.ac.uk/bandolier/painres/download/Bando027.pdf
PPR NPR :
Linn S. New patient-oriented diagnostic test characteristics analogous to the likelihood ratios conveyed information on trustworthiness // Journal of Clinical Epidemiology, 2005. Vol. 58. P. 450457.
PSI NNP :
Linn S., Grunau P.D. New patient-oriented summary measure of net total gain in certainty for dichotomous diagnostic tests // Epidemiologic Perspectives & Innovations, 2006. Vol. 3. -:11 URL: http://www.epi-perspectives.com/content/3/1/11
PSI :
Grimes D.A., Schulz K.F. Uses and abuses of screening tests // Lancet, 2002. Vol. 359. No 9309. P. 881884.
κ C :
Cohen J. A coefficient of agreement for nominal scales // Educ. Psychol. Meas., 1960. Vol. 20. P. 37 - 46.
:
Gilchrist J.M. Weighted 2×2 kappa coefficients: recommended indices of diagnostic accuracy for evidence-based practice // Journal of Clinical Epidemiology, 2009. Vol. 62. P. 1045 1053.
FC, FI, II, NNS, UI [+], UI [-], -, :
Mitchell A.How To: Analyse a Screening or Diagnostic Study // Psycho-oncology.info, 2009. Guide # 104. URL: http://www.psycho-oncology.info/PG_analyse_ajmitchell.pdf
|
|