when compared to the med patients at time of follow-up , successful ptca patients experienced less angina ( 13 % vs 47 % ; p = 0.003 ) , used less nitroglycerin ( 25 % vs 73 % , p = 0.003 ) , were hospitalized less often for chest pain ( 8 % vs 31 % ; p = 0.02 ) , and subjectively felt their condition had improved ( 96 % vs 20 % ; p less than 0.001 ) .
C0002962
angina
C0017887
nitroglycerin