Association of COMT Val158Met Polymorphism with Fibromyalgia in Khartoum State, Sudan

Table 3

The variation in genotype frequency of COMT Val158Met with disease status.

Genotype	Disease status
	FM (N = 20)	RH (N = 10)	Healthy (N = 10)	Fisher exact test
HH (Val/Val)	0% (N = 0)	50% (N = 5)	0% (N = 0)	value = 0.033
HL (Val/Met)	65% (N = 13)	50% (N = 5)	100% (N = 10)
LL (Meth/Met)	35% (N = 7)	0% (N = 0)	0% (N = 0)

HH represents the genotype of normal homozygous (Val/Val); HL represents the heterozygous (Val/Met); LL represents the mutant homozygous (Meth/Met); FM: fibromyalgia patients; RH: rheumatoid patients.