Baseline characteristics of participants regarding medical history, risk factors and medications¹.

<p>¹ Missing values: Cotinine: n = 3 (0.2%), β-blocker: n = 1 (0.1%); Fasting: n = 74 (5.4%); Hypercholesterolemia: n = 81 (5.9%); Troponin T: n = 170 (12.4%). ACE, angiotensin converting enzyme.</p><p>²<i>P</i> values for differences between smokers and non-smokers were calculated by using Mann-Whitney U test for continuous variables and chi-square tests for categorical variables.</p><p>³ n (%).</p><p>⁴ Median (25^th, 75^th percentile).</p><p>⁵ Serum total cholesterol ≥ 6.5mmol/L.</p><p>⁶ Includes diabetes types 1 and 2.</p><p>⁷ Medication prior to coronary angiography.</p><p>Baseline characteristics of participants regarding medical history, risk factors and medications<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0129049#t001fn001" target="_blank">¹</a>.