Table 3.

Summary of the percentage of unapproved medication abbreviations in handwritten notes among interns exposed to no alerts, hard stop alerts, or auto-correction alerts in an electronic note writing program

Follow-up time	Control group			Hard stop alert group			Auto-correction alert group
	Total no of opportunities for error	No of unapproved medication abbreviations	Percentage of unapproved medication abbreviations	Total no of opportunities for error	No of unapproved medication abbreviations	Percentage of unapproved medication abbreviations	Total no of opportunities for error	No of unapproved medication abbreviations	Percentage of unapproved medication abbreviations
Quarter 1 (baseline)	317	191	0.60	426	214	0.50	231	155	0.67
Quarter 2	386	188	0.49	299	79	0.26	182	99	0.54
Quarter 3	281	63	0.22	373	31	0.08	252	150	0.60
Quarter 4	366	49	0.13	324	36	0.11	271	94	0.35