Users' Guides to the Medical Literature
Guyatt G, Rennie D, Meade MO, Cook DJ
Part D Diagnosis
Chapter 17.3. Measuring Agreement Beyond Chance
Thomas McGinn, Gordon Guyatt, Richard Cook, Deborah Korenstein, Maureen O. Meade
Clinicians Often Disagree
Topics Discussed:
agreement, chance agreement, k value (kappa)
Excerpt:
"Clinicians often disagree in their assessment of patients. When
2 clinicians reach different conclusions regarding the presence
of a particular physical sign, either different approaches to the
examination or different interpretation of the findings may be responsible
for the disagreement. Similarly, disagreement between repeated applications of
a diagnostic test may result from different application of the test
or different interpretation of the results...."
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