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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