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Table 4 Association of TGFB1 heterozygous genotypes with ischaemic heart disease and myocardial infarction in rheumatoid arthritis patients stratified by ever smoking

From: Interaction between smoking and functional polymorphism in the TGFB1 gene is associated with ischaemic heart disease and myocardial infarction in patients with rheumatoid arthritis: a cross-sectional study

Ischemic heart disease

Myocardial infarction

 

Negative

Positive

OR (95% CI)

Negative

Positive

OR (95% CI)

Smoke/-509 CT

      

   -/-

65 (89.0%)

8 (11.0%)

1.0 (referent)

70 (95.9%)

3 (4.1%)

1.0 (referent)

   -/+

58 (89.2%)

7 (10.8%)

0.99 (0.35-2.80)

61 (93.8%)

4 (6.2%)

1.47 (0.35-6.21)

   +/-

124 (78.5%)

34 (21.5%)

2.14 (0.95-4.79)

137 (86.7%)

21 (13.3%)

3.15 (0.98-10.10)

   +/+

81 (68.6%)

37 (31.4%)

3.55 (1.57-7.99)

AP: 0.41 (-0.03-0.84)

94 (79.7%)

24 (20.3%)

5.22 (1.63-16.69)

AP: 0.31 (-0.22-0.84)

Smoke/+868 TC

      

   -/-

68 (88.3%)

9 (11.7%)

1.0 (referent)

74 (96.1%)

3 (3.9%)

1.0 (referent)

   -/+

55 (90.2%)

6 (9.8%)

0.84 (0.29-2.43)

57 (93.4%)

4 (6.6%)

1.67 (0.40-7.02)

   +/-

123 (82.6%)

26 (17.4%)

1.55 (0.70-3.44)

133 (89.3%)

16 (10.7%)

2.63 (0.80-8.63)

   +/+

82 (64.6%)

45 (35.4%)

3.98 (1.84-8.58)

AP: 0.66 (0.34-0.97)

98 (77.2%)

29 (22.8%)

6.37 (2.02-20.10)

AP: 0.49 (0.08-0.91)

  1. 'Negative' and 'positive' values are presented as number (percentage). AP, the attributable proportion due to interaction; CI, confidence interval; OR, odds ratio; TGFB1, transforming growth factor-beta-1.