Prevalence and characteristics of medication errors at an emergency department of a teaching hospital in Malaysia

Table 2 Drug administrations by treatment zone

Treatment zones	No. of patients	No. of medications	Mean (SD)	F statistics (df)	P value^*
Red zone	84	362	4.31 (2.53)
Yellow zone	130	272	2.09 (1.18)	57.95 (2, 308)	P < 0.001
Green zone	97	201	2.07 (1.01)

^*One-way ANOVA
Post hoc analysis: The mean number of drug administrations were significantly different between the red zone and the yellow zone (p < 0.001) as well as between the red zone and the green zone (p < 0.001). However, there was no significant difference of mean number of drug administrations between the yellow zone and the green zone (p > 0.950)

ISSN: 1472-6963