The comparative effects of more versus less aggressive low-density lipoprotein (LDL) cholesterol lowering (to less than or equal to580 vs >80 mg/dl) on calcified coronary plaque progression by electron beam tomography were evaluated in 182 consecutive asymptomatic patients after 1.2 years of treatment with statins alone or in combination with niacin. Despite the greater improvement in lipids in the less than or equal to80 versus >80 mg/dl groups, there were no differences in calcified plaque progression (9.3%/year vs 9.1%/year). We conclude that, with respect to LDL cholesterol lowering, "lower is better" is not supported by changes in calcified plaque progression. (C) 2003 by Excerpto Medica, Inc.