Maten van risico en associatie betreffende prognose en therapie Flashcards

1
Q

Cumulatieve incidentie (CI)

A

= a (disease)/N (total). Je kijkt naar incidenten over een bepaalde periode

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2
Q

incidentiecijfer (IR)

A

het aantal events tijdens follow-up / het aantal mensen die at risk zijn

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3
Q

hazard rate

A

alle personen/totaal aan person-years

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4
Q

relatief risico (RR) =

A

a/(a+b) / c/(c+d)

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5
Q

het absolute risico verschil (RD) =

A

a/(a+b) - c/(c+d)

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6
Q

numbers-needed-to-treat (NNT) =

A

1/-RD = 1/ c/(c+d) - a/(a+b)

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7
Q

odds ratio (OR)

A

a/b / c/d

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