Reaction rates | Non-history of adverse reaction group | Premedication without change of contrast media group | Premedication with change of contrast media group | No premedication and no change of contrast media group | No premedication with change of contrast media group | ||||||
37/64,673 | 0.06% | 1/39 | 2.6% | 6/340 | 1.8% | 7/56 | 12.5% | 1/9 | 11.1% | ||
Total reactions grade | Grade 1 | 35 | 1 | 6 | 6 | 1 | |||||
Grade 2 | 1 | 0 | 0 | 1 | 0 | ||||||
Grade 3 | 1 | 0 | 0 | 0 | 0 | ||||||