Table 1

Chronic co-morbidities at 10% or greater prevalence among the 42 participants

Category or Condition

Number

Percent


Chronic pain syndromes (any)

31

74%


Extremity pain

17

40%


Headache (all but one with migraine)

16

38%


Abdomen

15

36%


Complex regional pain syndrome

5

12%


Gastrointestinal dysmotility (any)

31

74%


Gastroesophageal reflux disease and/or chronic nausea

23

55%


Colonic (irritable bowel syndrome, constipation, diarrhea)

17

40%


Other functional or autonomic-related conditions (any)

24

57%


Abnormal heart rate

11

26%


Abnormal temperature regulation

7

17%


Dizziness

6

14%


Tinnitus

5

12%


Mental health disorders (any)

13

31%


Depression

10

24%


All cognitive disorders (any, including attention deficit)

15

36%


Mental retardation or learning disabilities

13

31%


Autistic spectrum disorder

4

10%


Other conditions


Any neuromuscular disorder (non cognitive)

18

43%


Chronic fatigue or exercise intolerance

23

55%


Boles BMC Neurology 2011 11:102   doi:10.1186/1471-2377-11-102

Open Data