LPA and coronary artery disorder: Lp(a) levels remained independently linked to a higher CHD risk after adjusting for confounding factors [low Lp(a) vs. very low Lp(a) group: OR=2.12, 95% CI 1.17-3.84, P<0.05; intermediate Lp(a) vs. very low Lp(a) group: OR=2.76, 95% CI 1.10-6.98, P<0.05; high Lp(a) vs. very low Lp(a) group: OR=4.79, 95% CI 2.03-11.31, P<0.01].