Table 2: Distribution of GSTM1 and GSTT1 polymorphisms considering the number of medications used for the treatment of patients with fibromyalgia.

 

 

Quantity of Medication

 

Genotypes

0

1

≥ 2

P-Value

GSTM1/GSTT1

(N = 9)

(N = 48)

(N = 24)

 

N

%

N

%

N

%

 

T1/_

2

22.2

16

33.3

5

20.8

0.4918

M1/_

2

22.2

3

6.3

5

20.8

0.1315

M1/T1

5

55.5

24

50.0

12

50.0

0.09518

_/_

0

0

5

10.4

2

8.3

0.5928

 

GSTM1 = Glutathione S-transferase M1, GSTT1 = Glutathione S-transferase T1, _ = nullity, P = Level of significance < 0.05.