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Table 2 Distribution of GSTM1 and GSTT1 genes variants according to control state of essential hypertension, SBP and DBP

From: Glutathione S-transferase M1 and T1 genes deletion polymorphisms and blood pressure control among treated essential hypertensive patients in Burkina Faso

Parameters

Genes-variants

Systolic Blood Pressure (SBP)

Diastolic Blood Pressure (DBP)

Hypertension

Controlled n = 126 (%)

Uncontrolled n = 74 (%)

p value

Controlled n = 152 (%)

Uncontrolled n = 48 (%)

p value

Controlled n = 115 (%)

Uncontrolled n = 85 (%)

p value

Monotherapy n = 110

#GSTM1-active

55 (74.32)

30 (83.33)

 

66 (76.74)

19 (82.14)

 

51 (76.12)

34 (79.07)

 

GSTM1-null

19 (25.68)

6 (16.77)

0.34

20 (23.26)

5 (17.86)

1.00

16 (23.88)

9 (20.93)

0.48

# GSTT1-active

28 (37.84)

10 (27.78)

 

31 (36.05)

7 (35.71)

 

27 (40.30)

11 (25.58)

 

GSTT1-null

46 (62.16)

26 (72.22)

0.39

55 (63.95)

17 (64.29)

0.63

40 (59.70)

32 (74.42)

0.15

Bitherapy n = 55

# GSTM1-active

17 (60.71)

17 (70.83)

 

24 (61.54)

10 (64.71)

 

16 (57.14)

18 (66.67)

 

GSTM1-null

11 (39.29)

7 (29.17)

0.56

15 (38.46)

6 (35.29)

1.00

12 (42.86)

9 (33.33)

0.58

# GSTT1-active

14 (50.00)

9 (37.50)

 

16 (41.03)

7 (41.18)

 

11 (39.29)

12 (44.44)

 

GSTT1-null

14 (50.00)

15 (62.50)

0.41

23 (58.97)

9 (58.82)

1.00

17 (60.71)

15 (55.56)

0.78

Tritherapy n = 35

# GSTM1-active

13 (61.91)

9 (64.28)

 

19 (70.37)

3 (45.45)

 

12 (60.00)

10 (66.67)

 

GSTM1-null

8 (38.09)

5 (35.72)

1.00

8 (29.63)

5 (54.55)

0.11

8 (40.00)

5 (33.33)

0.73

# GSTT1-active

7 (33.33)

8 (57.14)

 

10 (37.04)

5 (54.55)

 

7 (35.00)

8 (53.33)

 

GSTT1-null

14 (66.67)

6 (42.86)

0.18

17 (62.96)

3 (45.45)

0.24

13 (65.00)

7 (46.67)

0.32

Total n = 200

# GSTM1-active

85 (67.46)

56 (75.68)

 

109 (71.71)

32 (69.64)

 

79 (68.70)

62 (72.94)

 

GSTM1-null

41 (32.54)

18 (24.42)

0.26

43 (28.29)

16 (30.36)

0.58

36 (31.30)

23 (27.06)

0.53

# GSTT1-active

49 (38.89)

27 (36.49)

 

57 (37.50)

19 (41.07)

 

45 (39.13)

31 (36.47)

 

GSTT1-null

77 (61.11)

47 (63.51)

0.76

95 (62.50)

29 (58.93)

0.86

70 (60.87)

54 (63.53)

0.76

#GSTM1(+)/GSTT1(+)

25 (19.84)

16 (21.62)

 

34 (24.34)

7 (14.58)

 

24 (20.87)

17 (20.00)

 

GSTM1(−)/GSTT1(+)

24 (19.05)

11 (14.87)

0.63

23 (15.13)

12 (25.00)

0.11

21 (18.26)

14 (16.47)

1.00

 

GSTM1(+)/GSTT1()

60 (47.62)

40 (54.05)

1.00

75 (49.34)

25 (52.08)

0.37

55 (47.83)

45 (52.94)

0.71

GSTM1(−)/GSTT1(−)

17 (13.49)

7 (9.46)

0.59

20 (13.16)

4 (8.33)

1.00

15 (13.04)

9 (10.59)

0.79

  1. Values are expressed in numbers (percentages) and the comparison between groups was made using the chi-square test; *: significant difference between the groups (p < 0.05); #: reference; ( +): active; (−): null