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## Pamela Rosero

on 24 October 2012

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#### Transcript of probabilidad pre test- postest

UNIVERSIDAD TECNOLÓGICA EQUINOCCIAL Facultad de Ciencias de la Salud "Eugenio Espejo "

= 0.3/(1-0.30) = 0.3/0.7
= 0.43

= 0.95/(1-0.8) = 0.95/0.20
= 4.75

Odds post-test: odds pre-test X RP (razon de probabilidad)
= 0.43 X 4.75 = 2

Probabilidad post-test = odds post-test/(odds post-test +1)
= 2/(2 +1) = 2/3
= 0.67 o 67%
BIBLIOGRAFIA Analisis de un estudio sobre un test diagnostico, Dr. Alberto Gianella.(internet, pdf), acceso: 24 de Octubre del 2012. Disponible en:
http://www.galenored.com/trabajos/archivos/247.pdf

Estudios que evaluan un test diagnostico: interpretando sus resultados, Revista medica de Chile, 2008; 136: 1203-1208, (internet), acceso: 24 de octubre del 2012.
Disponible en:
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872008000900018#img01
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