Smokers

23

Non-Smokers

76

P value

% Luminal narrowing

15.0 (10.2, 27.4)

15.5 (10.5, 22.3)

0.67

ITI

0.14 (0.11, 0.19)

0.15 (0.11, 0.19)

0.74

IMR

0.25 (0.13, 0.33)

0.17 (0.12, 0.26)

0.05