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Table 4 Other nails fold capillaroscopic patterns

From: Is middle East pain syndrome (MEPS) a variant of fibromyalgia syndrome or a distinct disease?

Studied group.

Item

Middle East pain syndrome

Fibromyalgia

Significance test

p-value

Avascular area

9 (22.5%)

8 (20.0%)

X2 = 0.45

0.7

Shape

- U shape

- Tortious

- Twisted

- Abnormal shape

16 (40%)

12 (30%)

10 (25%)

12 (30%)

20 (50%)

11 (27.5%)

7 (17.5%)

10 (25%)

X2 = 0.65

X2 = 0.1

X2 = 0.7

X2 = 0.3

0.4

0.7

0.3

0.5

Micro haemorrhage

4 (10.0%)

1 (2.5%)

X2 = 2.3

0.3

Pericapillary edema

10 (25%)

6 (15%)

X2 = 7.3

0.4

SPVP

10 (25.0%)

6 (15.0)

X2 = 1.7

0.4

Angiogenesis

7 (17.5%)

0 (0.0)

X2 = 8.2

0.01*