Table 1

Characteristics of patients and controls studied.
Group, and subject no.
 Risk factor
 Raynaud's phenomenon
 Medsger scorea
Patients with fibromyalgia
1
 Obesity
 -
2
 -
 -
3
 -
 -
4
 -
 X
5
 -
 X
6
 Obesity
 -
7
 -
 -
8
 -
 -
9
 -
 -
10
 -
 -
Controls with systemic scleroderma (SSc)
1
 -
 X
 4
2
 -
 X
 3
3
 -
 X
 2
4
 -
 -
 1
5
 -
 X
 2
6
 Obesity
 X
 2
7
 Ex-smoker
 X
 1
8
 Ex-smoker
 X
 3
9
 -
 X
 1
10
 -
 X
 3
Controls with rheumatoid arthritis
1
 Obesity
 -
2
 Hypertension
 -
3
 -
 -
4
 -
 -
5
 -
 -
6
 Obesity
 -
7
 Hypertension
 -
8
 -
 -
9
 -
 -
10
 -
 -
Healthy controls
1
 Obesity
 -
2
 Ex-smoker
 -
3
 -
 -
4
 -
 -
5
 -
 -
6
 Ex-smoker
 -
7
 Obesity
 -
8
 -
 -
9
 -
 -
10
 -
 -

aAssigned to SSc patients only; indicates severity of the disease, from 0 to 4 (none to end stage) [9]. -, Not present; X, present.

Morf et al. Arthritis Res Ther 2005 7:R209   doi:10.1186/ar1459

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