Table 2.

Prescription errors before and after introduction of voice recognition system.

	Pre-VRS		During VRS		Total
	n	%	n	%	n	%	p-value
Drug name
Correct	1163	97.2	468	93.4	1631	96.1	0.000
Incorrect	33	2.8	33	6.6	66	3.9
Drug dose
Correct	739	61.8	377	75.2	1116	65.8	0.000
Incorrect	256	21.4	40	8	296	17.4
Omitted	201	16.8	84	16.8	285	16.8
Drug route
Correct	699	58.4	316	63.1	1015	59.8	0.206
Incorrect	10	0.8	4	0.8	14	0.8
Omitted	487	40.7	181	36.1	668	39.4
Drug frequency
Correct	886	74.1	361	72.1	1247	73.5	0.000
Incorrect	253	21.2	84	16.8	337	19.9
Omitted	57	4.8	56	11.2	113	6.7
Drug duration
Correct	975	81.5	409	81.6	1384	81.6	0.000
Incorrect	83	6.9	11	2.2	94	5.5
Omitted	138	11.5	81	16.2	219	12.9
Omission in prescription1
No	505	42.2	237	47.3	742	43.7	0.054
Yes	691	57.8	264	52.7	955	56.3
Incorrect prescription2
No	684	57.2	346	69.1	1030	60.7	0.000
Yes	512	42.8	155	30.9	667	39.3
Any prescription errors
Correct	307	25.7	172	34.3	479	28.2	0.000
Incorrect	889	74.3	329	65.7	1218	71.8

¹Omission of indicating either drug name, dose, route frequency or duration.

²Incorrect prescription regarding either drug name, dose, route frequency or duration, excluding omissions.

VRS, voice recognition system.