Table 3 Descriptive analysis of frequency and type of chemotherapy medication errors over 1 year

Prescription error

Erroneous choice of antineoplastic regimen

20

5

3

3

-

31

Data missing on the prescription

128

28

25

15

-

196

Wrong dose

< 10%

13

11

11

4

-

39

[10-50%[

26

18

28

15

-

87

[50-100%]

15

9

2

4

-

30

> 100%

2

4

3

2

-

11

Withdrawal of medical approval

5

3

5

1

-

14

Total (1)

209

78

77

44

-

408

Pharmaceutical error

Pharmaceutical analysis

-

-

-

-

4

4

Data entry

-

-

-

-

4

4

Fabrication

-

-

-

-

26

26

Storage

-

-

-

-

1

1

Dispensation

-

-

-

-

1

1

Total (2)

-

-

-

-

36

36

Drug administration error

Total (3)

3

-

-

2

-

5

Total (1+2+3)

212

78

77

46

36

449

Number of antineoplastic agents prepared by pharmacy

11866

5270

2743

2259

22138

-

Percentage of medication errors

1.79

1.48

2.81

2.04

0.16

-