40% of CFS patients do not to have CFS

Newton JL, Mabillard H, Scott A, Hoad A, Spickett G.
NIHR Biomedical Research Centre in Ageing and Institute for Ageing & Health, Newcastle University, Newcastle upon Tyne NE1 4LP, UK. julia.newton@nuth.nhs.uk.

The proportion of patients diagnosed with CFS increased significantly compared with 2007 (36% [20/56] vs 60% [157/260]; p<0.0001).

Of the 40% of patients subsequently found not to have CFS the most common diagnosis was fatigue associated with a chronic disease (47% of all alternative diagnoses);

20% had primary sleep disorders,

15% psychological/psychiatric illnesses

and 4% a cardiovascular disorder.

Thirteen per cent remained unexplained (5.2% of the total referrals).

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