Occurrence factors

Cases (n = 236)

%

Complications, accidental disease

77

32.6

Personal behavior

85

36.0

Confirmation error

58

24.6

Judgment error

15

6.4

Observation error

4

1.7

Lack of explanation

4

1.7

Insufficient cooperation

2

0.8

Recording deficiencies

2

0.8

Human factor

37

15.7

Immature technique and procedure

25

10.6

Lack of knowledge

6

2.5

Usually with different body conditions

5

2.1

Complicated work situation

1

0.4

Environment equipment

6

2.5

Problem of medical equipment

4

1.7

Problem of drugs

1

0.4

Problem with the system

1

0.4

Others

31

13.1