Table 1.

Prevalence and type of medication non-reconciliation

	Per medication order n (%)	Per inpatient episode n (%)
Prescription writing error
Omission of an active medication at discharge	609 (6.4)	233 (18.7)
Dose	128 (1.3)	101 (8.1)
Frequency	28 (0.3)	22 (1.8)
Prescription of discontinued medication at discharge	25 (0.3)	18 (1.4)
Choice of drug	33 (0.3)	23 (1.8)
Failure to communicate or document changes
Stopping	402 (4.2)	268 (21.5)
Omitting a pre-admission medication	234 (2.4)	140 (11.2)
Withholding	84 (0.9)	67 (5.4)
Denominator	9569	1245