Table 4

Current classification and illness severity by cluster analysis of 164 study participants with no medical or psychiatric exclusions.

Cluster Group

Current Classification Surveillance Criteria
1 Most Severe
2 Intermediate
3 Least Severe


CFS
7 (43.8)*
9 (56.3)
0
16
ISF
16 (21.1)
55 (72.4)
5 (6.6)
76
Remission
1 (4.2)
13 (54.2)
10 (41.7)
24
Control
0
5 (10.4)
43 (89.6)
48

24
82
58
164

* percent of row

Reeves et al. BMC Medicine 2005 3:19   doi:10.1186/1741-7015-3-19