Figure 6. Serial change in serum potassium level during the periods of aliskiren (closed circles) and placebo (open circles) treatment.

Error bars denote standard error of mean. Post-hoc comparisons were performed by paired Student’s t test: *p<0.001 as compared to baseline level; ^$p<0.001 as compared to the period of placebo treatment. All P values were computed with Bonferroni adjustment for multiple comparisons.