Type of Error

A

B

C

D

E

Total

Percent

Prescribing error

25

1

26

5.95%

Wrong dispensing quantity

2

129

15

146

33.41%

Omission error

34

10

44

10.07%

Extra dose

1

48

5

54

12.36%

Wrong time

0

1

1

0.23%

Wrong patient

5

3

8

1.83%

Wrong administration route

1

2

3

0.69%

Wrong dosage form or specifications

38

4

1

43

9.84%

Wrong drug

96

8

1

105

24.03%

Drug prepared incorrectly

1

5

6

1.37%

Wrong administration technique

1

1

0.23%

Total

4

380

46

4

3

437

100.00%