Epidemiologia Flashcards

1
Q

Sensibilidade é definida

A

verdadeiro positivo / total de doentes

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2
Q

Especificidade é definida

A

verdadeiros sadios / total de sadios

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3
Q

S e E são

A

características do teste

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4
Q

VPP

A

verdadeiro positivo / total de testes positivos

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5
Q

VPN

A

verdadeiro negativo / total de testes negativos

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6
Q

VPP e VPN alteram com

A

prevalencia ; probabilidade pré teste

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7
Q

VPP e VPN são probabilidades

A

pós teste

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8
Q

Curva ROC

A

avalia acurácia do teste ;

acurácia: Verdadeiro positivo + verdadeiro negativo / total de testes feitos

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9
Q

Razão de verossimilhança

A

positiva: S / 1-E

negativa: 1-S/E

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