Table 2

A cross-reference of systems for diagnostic assignment

Empiric Classification (CFS research case definition)

CFS

ISF

Controls

LCA Category

LCA Class Description

(n = 39)

(n = 35)

(n = 37)

n

(%)

n

(%)

n

(%)

Controls (0–2)

Well (n = 33) or Unassigned (n = 2)

1

(2)

0

(0)

34

(91)

1

Obese hypnoea (n = 23)

15

(38)

8

(23)

0

(0)

3

Obese hypnoea and stressed (n = 17)

5

(13)

11

(31)

1

(3)

4

Interoception – muscle pain (n = 11)

1

(3)

9

(26)

1

(3)

5

Interoception depression (n = 14)

10

(26)

4

(11)

0

(0)

6

Multisymptomatic, depressed, stressed (n = 11)

7

(18)

3

(9)

1

(3)

Aspler et al. Behavioral and Brain Functions 2008 4:44   doi:10.1186/1744-9081-4-44