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Table 5 Percent distribution of types of AEs by surgical procedure categories, in top 15 rank order by AE rate/1,000 stays*

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

Procedure code (ICD-9-CM) Surgical procedure category Rate of AEs per 1,000 stays % Care management % Transfusions % Clinical support services % Falls % Medications % Invasive procedures % Other
37 Operations on heart and pericardium 556.7 18.0 14.9 13.1 5.8 16.8 23.8 7.6
35 Operations on valves and septa of heart 446.1 16.4 14.1 12.9 5.4 22.5 21.8 6.8
50 Operations on liver 418.7 14.1 17.6 3.5 11.8 20.0 18.8 14.1
31 Other operations on larynx and trachea 371.7 24.5 10.4 18.7 4.3 21.6 10.1 10.4
34 Operations on chest wall, pleura, mediastinum, & diaphragm 350.6 18.0 12.3 13.1 4.9 28.7 11.5 11.5
1 Incision and excision of skull, brain, and cerebral meninges 331.8 11.9 9.0 11.0 15.2 22.9 20.0 10.0
43 Incision and excision of stomach 331.5 23.0 16.4 9.8 8.2 24.6 13.1 4.9
52 Operations on pancreas 320.1 13.5 5.6 15.7 9.0 21.3 30.3 4.5
41 Operations on bone marrow and spleen 270.7 8.6 20.0 5.7 8.6 14.3 28.6 14.3
32 Excision of lung and bronchus 266.7 22.5 8.5 16.9 4.2 22.5 15.5 9.9
45 Incision, excision, and anastomosis of intestine 259.5 20.8 13.0 15.0 9.1 21.6 13.6 6.9
46 Other operations on intestine 248.3 30.9 10.9 12.7 3.6 22.7 12.7 6.4
36 Operations on vessels of heart 242.6 11.2 19.6 13.1 5.1 18.2 23.8 8.9
74 Cesarean section and removal of fetus 228.1 23.1 0.0 7.7 0.0 15.4 23.1 30.8
84 Other procedures of musculoskeletal system 215.9 27.8 8.3 11.1 16.2 17.1 10.6 8.8
Overall for all surgical groups 82.8 20.8 11.3 12.5 8.5 19.2 17.8 9.9
  1. *In this table, surgical hospitalizations are abbreviated as “stays” for brevity.