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Table 2 Frequency of procedures and adverse events by type of procedurea

From: A retrospective cohort study of adverse events in patients undergoing orthopaedic surgery

Procedure Type

Number of Procedures

Percent of all Study Procedures

Total Number of Adverse Events

Percent of all Adverse Events

Mean Number of Events per Procedure

Total hip arthroplasty

313

20.17

179

15.59

0.57

Total knee arthroplasty

252

16.24

243

21.17

0.96

Lumbar arthrodesis posterior - single

132

8.51

186

16.20

1.41

Removal of deep implant

132

8.51

79

6.88

0.60

Open treatment of femur fracture & interlocking nail

65

4.19

78

6.79

1.20

Arthroscopy of the knee and partial menisectomy

64

4.12

18

1.57

0.28

Debridement: skin, tissue, muscle, bone

60

3.87

71

6.18

1.18

Anterior cruciate ligament repair with arthroscopy and autograft

53

3.41

11

0.96

0.21

Open treatment femoral fracture proximal end/neck with fixation

53

3.41

43

3.75

0.81

Neurolysis median nerve at carpal T

38

2.45

12

1.05

0.32

Application of external fixation system, unilateral; uniplanar

31

2.00

46

4.01

1.48

Slipped capital femoral epiphysis with femoral neck osteoplasty

31

2.00

14

1.22

0.45

Arthroscopy of shoulder, surgical; with rotator cuff repair

32

2.06

12

1.05

0.38

Open treatment and fixation of the clavicle

29

1.87

14

1.22

0.48

Gastronemius recession

29

1.87

26

2.26

0.90

Excisional bone biopsy - deep

25

1.61

12

1.05

0.48

Arthroscopy of the shoulder, surgical; capsulor repair

24

1.55

6

0.52

0.25

Arthroscopy of the shoulder with acromioplasty

22

1.42

8

0.70

0.36

Arthroscopy, debridge, drill, resect

17

1.10

7

0.61

0.41

Removal of exterior fixator system

16

1.04

12

1.05

0.75

Open toe flexor tenotomy, single

15

0.97

8

0.70

0.53

Other study procedures

130

8.38

82

0.07

0.78

Total study procedures

1552

100

1148

100

0.73

  1. aThis table lists only those procedures that were done 15 or more times