It uses the Reeves et al. (2005) "empiric" criteria, although readers
would have no real way of knowing from it alone (e.g. the 2005 paper
isn't referenced at all).
Here's an extract which shows it isn't clear:
-----
2.1. Study design
This study enrolled participants from the Wichita CFS Surveillance Study,
conducted between 1997 and 2000 (for more information, please refer to Reyes
et al., 2003) who also participated in a 2-day in-hospital case
control study (conducted
between 2002 and 2003). In brief, 43 subjects meeting criteria for CFS
and 60 nonfatigued
(NF) subjects were identified. CFS was diagnosed by criteria of the 1994
International Research Case Definition (Fukuda et al., 1994) as
recommended by the
International CFS study group (Reeves et al., 2003). To identify
exclusionary medical
conditions, a standardized medical history, review of current
medications, standardized
physical examination as well as routine blood and urine laboratory tests were
performed as recommended by the International CFS Study Group.
------
The Reeves et al. (2005) paper shows there were 43 with that
("empiric") criteria:
http://www.biomedcentral.com/content/pdf/1741-7015-3-19.pdf
This paper which explicitly says it used the Reeves et al. (2005) criteria:
--
Coping styles in people with chronic fatigue syndrome identified from
the general population of Wichita, KS.
Nater UM, Wagner D, Solomon L, Jones JF, Unger ER, Papanicolaou DA,
Reeves WC, Heim C.
J Psychosom Res. 2006 Jun;60(6):567-73.
--
Says there were 36 Female/7 male, average age 50.6, 3 non-white, all
the same as the Nater et al. (2011) study.
The CDC (and others) need to be clear about what criteria are being used.
Tom
-------
Cumulative life stress in chronic fatigue syndrome.
Psychiatry Res. 2011 Aug 12. [Epub ahead of print]
Nater UM, Maloney E, Heim C, Reeves WC.
Chronic Viral Diseases Branch, Division of High-Consequence Pathogens
and Pathology (proposed), National Center for Emerging and Zoonotic
Infectious Diseases, Centers for Disease Control & Prevention,
Atlanta, GA, USA; Clinical Biopsychology, Dept. of Psychology,
University of Marburg, Germany.
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