Table 2.

Distribution of factors affecting the incidence of medicinal errors

Factors Affecting Medication Errors	Number	Percent
Medical Factors
Large variety of drugs in the ward	2	4.2
Using abbreviated names	23	48.93
Similarities among drug names	11	23.40
Using some drugs in the rare cases	2	4.20
Different medicinal dosages	9	19.14
Managerial and Human Factors
Fatigue resulted from hard work	9	19.14
High patient -to- nurse ratio	6	12.76
Insufficient education	2	4.2
insufficient pharmacological knowledge	13	27.65
False medicinal calculations	4	10.63
Illegibility of patients records	7	14.89
Illegibility of physicians’ prescriptions	4	8.51