compared with placebo , nitroglycerin patches increased exercise duration to the onset of angina ( 257 +/- 72 compared with 383 +/- 130 seconds , p less than 0.0001 ) and total exercise time ( 338 +/- 89 compared with 456 +/- 119 seconds , p less than 0.0001 ) and decreased st segment depression ( 1.0 +/- 0.5 compared with 0.6 +/- 0.4 mm , p less than 0.05 ) at 4 hours but not at 24 and 48 hours .
C0017887
nitroglycerin
C0002962
angina