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Table 3 Comparison of CFS Case Ascertainment using Two Methods of Applying the 1994 Case Definition (n=499)

From: Methods of applying the 1994 case definition of chronic fatigue syndrome – impact on classification and observed illness characteristics

  

Method 1

  

CFS

Non-CFS

Method 2

CFS

44

27

Non-CFS

15

413

 

Kappa= 0.63, 95 % CI= 0.53 - 0.73.

Concordance= 91.59 %

Discordance= 8.41 %

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Population Health Metrics

ISSN: 1478-7954