Table 2.

Number of orders per day in three groups of drugs before and after the start of the CPOE warning system.

	Medications Recommended Not to Order			Medications Recommended for Dose Reduction			Medications Not Flagged
	Before	After	P Value	Before	After	P Value	Before	After	P Value
Orders/day	11.56 ±0.36	9.94 ±0.12		6.09 ±0.20	6.87 ±0.08		5.40 ±0.20	5.55 ±0.07
Orders/total patients/day	0.070 ±0.002	0.054 ±0.001	<0.001	0.037 ± 0.001	0.037 ± 0.001	0.71	0.033 ± 0.001	0.030 ± 0.001	0.03
Orders/new patients/day	0.333 ±0.001	0.263 ±0.003	<0.001	0.182 ± 0.006	0.186 ± 0.002	0.51	0.158 ± 0.005	0.148 ± 0.002	0.08

Data are presented as mean ±SE.