amiloride produced a significant potassium-sparing effect ( p smaller than 0.01 ) , reducing urinary potassium excretion by 30 % , compared to significant urinary potassium wasting with frusemide ( increase of 33 % , p smaller than 0.01 ) and chlorothiazide ( increase of 31 % , p smaller than 0.05 ) .
C0002502
amiloride
C0032821
potassium