Table 2

Percentage pain site response for RA, SLE and FM with the calculated differences between groups (including the combined RA/SLE group)

Location

Healthy (n = 204)

FM (n = 202)

RA (n = 31)

SLE (n = 20)

RA minus SLE

RA/SLE (n = 51)

FM minus RA/SLE

Shoulders

14%

76%

32%

25%

7%

29%

48%

Jaws

4%

36%

3%

10%

-7%

7%

30%

Arms

6%

69%

23%

10%

13%

16%

53%

Hands

5%

64%

81%

73%

9%

77%

-13%

Hips

11%

79%

29%

28%

2%

28%

51%

Thighs

4%

55%

0%

0%

0%

0%

55%

Knees

10%

64%

39%

53%

-14%

46%

18%

Feet

12%

50%

46%

63%

-17%

54%

-4%

Lateral upper back

6%

82%

15%

23%

-8%

19%

64%

Lateral lower back

8%

80%

23%

20%

3%

22%

59%

Mid upper back

4%

77%

13%

15%

-2%

14%

63%

Mid lower back

16%

79%

10%

25%

-15%

18%

62%

Front of chest

4%

54%

10%

15%

-5%

13%

42%

Neck

16%

91%

29%

55%

-26%

42%

49%

Peripheral

7%

55%

28%

29%

-1%

28%

26%

Axial

9%

77%

17%

25%

-9%

21%

56%

Note: Minus scores in the RA minus SLE column indicate that the SLE group had higher scores on that item. Minus scores in the FM minus RA/SLE column indicate that the RA/SLE group had higher scores on that item. FM, fibromyalgia; RA, rheumatoid arthritis; SLE, systemic lupus erythematosus.

Friend and Bennett Arthritis Research & Therapy 2011 13:R58   doi:10.1186/ar3311