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The diagnostic process 

The diagnostic process
Chapter:
The diagnostic process
Author(s):

Helen Ward

, Mireille B. Toledano

, Gavin Shaddick

, Bethan Davies

, and Paul Elliott

DOI:
10.1093/med/9780198529880.003.0001
Page of

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date: 15 September 2019

Introduction: epidemiology in the clinic 4

Measures of disease frequency 6

Distribution of disease 9

Is there anything wrong? 10

Risk factors 12

Identifying risk factors 14

Validity of diagnostic tests 16

Clinical uses of predictive value 18

Pre-test probability 20

Likelihood ratios and post-test probabilities ...

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