intima/media ratio
PBS R5 R7 R9

10 µmol/L 0.909 ± 0.072 0.920 ± 0.073 0.861 ± 0.138 0.710 ± 0.122
100 µmol/L 0.924 ± 0.061 0.581 ± 0.089* 0.529 ± 0.093*
PBS, Phosphate-buffered saline solution; R, L-arginine polymer.*P < .001 versus phosphate-buffered saline solution and L-arginine polymer 5 controls (Bonferronicorrected value).