Table 3

Distribution of ME/CFS cases (prevalent and incident) according to the study case definitions

ME/CFS Diagnostic Criteria

n

%


Any ME/CFS diagnostic criteria

278

100.0

CDC - 1994

270

97.1

CDC - 1994 onlya

103

37.1

Canadian

146

52.5

Canadian onlya

1

0.4

ECD

47

16.9

ECD onlya

7

2.5

Overlap of case definitions

CDC - 1994 and Canadian

127

45.7

CDC - 1994, Canadian and ECD

18

6.5

CDC - 1994 and ECD

22

7.9


aNon compliant with other definitions

Nacul et al. BMC Medicine 2011 9:91   doi:10.1186/1741-7015-9-91

Open Data