Table 3.

Comparing Admission Medication History (AMH) Error and Admission Medication Order (AMO) Error Rates Across Study Arms

Result	Usual Care minus Pharmacist (n = 95, 94)			Pharmacist minus Pharmacist-Supervised Pharmacy Technician (n = 94, 89)			Usual Care minus Pharmacist-Supervised Pharmacy Technician (n = 95, 89)
Mean AMH error outcomes	Δ*	pSD†	C‡	Δ	pSD	C	Δ	pSD	C
AMH errors per patient	6.6§	4.2	1.6	−0.08	2.0	−0.04	6.5§	4.2	1.5
AMH errors per patient, severe or life-threatening only	3.8§	2.9	1.4	0.04	1.5	0.03	3.8§	2.8	1.4
AMH error score per patient**	18.8§	12.4	1.5	0.05	6.8	0.01	18.9§	12.4	1.5
Mean AMO error outcomes
AMO errors per patient	2.5§	2.2	1.2	−0.002	1.1	−0.002	2.5§	2.2	1.2
AMO errors per patient, severe or life-threatening only	0.92§	1.2	0.76	0.10	0.55	0.17	1.0§	1.2	0.85
AMO error score per patient	5.4§	5.5	0.99	0.29	2.7	0.11	5.7§	5.4	1.1

^*Δ: Difference in means

^†pSD: pooled standard deviation

^‡C: Cohen’s D calculated as difference in means divided by pooled standard deviation of the two groups

^§p < 0.0001 (pairwise comparison with Tukey-Kramer adjustment for multiple testing)

^**Primary outcome