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Table 8 Percent (%) distribution of severity levels, by type of AE

From: Incidence of adverse events in an integrated US healthcare system: a retrospective observational study of 82,784 surgical hospitalizations

AE severity level Care management Transfusions Clinical support services Falls Medications Invasive/procedural Others Total AEs (number)
Mild severity 45.6 65.2 67.9 19.8 44.1 35.7 59.3 3,272
Moderate severity 44.9 31.3 28.1 74.7 51.4 49.9 36.4 3,091
Substantial severity 9.5 3.5 4.1 5.5 4.5 14.4 4.3 493
Total number of AEs 1,424 771 859 585 1,315 1,221 681 6,856