Ebm Flashcards

1
Q

Sensivitet är

A

Antalet sjuka med pos prov / alla sjuka

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2
Q

Specificitet är

A

Antal friska med neg prov/ alla friska

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3
Q

Ppv positivt predikationsvärde är

A

Alla sjuka med pos test / alla positiva test

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4
Q

Nov negativt predikationsvärde är

A

Alla friska med neg test / alla neg test

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5
Q

RR relativ risk eller risk ratio är

A

ARbeh / ARkontroll

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6
Q

AR är

A

Sjuka/hela gruppen

Kontroll resp behgrupp

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7
Q

Or och HR är

A

Samma som RR

RISK BEH GRUPP/risk kontrollgrupp

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8
Q

RRR relativ riskreduktion är

A

1-RR

eller

RD/ARkontrollgrupp

Skillnaden i behandlingseffekt i PROCENT

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9
Q

RD / ARR/ARI är

A

AR kontroll - AR behand x 100

PROCENTENHETER

risk differens

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10
Q

NNT är

A

1/ RD/ARR

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11
Q

NTH är

A

1/ARI

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12
Q

PICOT

A

Population/patient/problem

Intervention

Comparison

Outcome

Time

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