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
TGFB1+868 (T/C)
Negative
Positive
TT
82 (93.2%)
6 (6.8%)
TC
118 (85.5%)
20 (14.5%)
CC
32 (97.0%)
1 (3.0%)
TT + TC versus CC
OR = 2.86, 95% CI 0.53-5.46
TC versus TT + CC
OR = 2.64, 95% CI 1.10-6.34a