Table 2.

Electronic and hand-generated prescriptions before and after implementation of generic substitution decision support

	Total	Generic	Percent generic (95% CI)
Electronic
Pre-implementation period	1707	553	32.4 (30.2% to 34.7%)
Immediate post-implementation period	6505	3269	50.3 (49.0% to 51.5%)
End-of-study post-implementation period	24894	14470	58.1 (57.5% to 58.7%)
Hand-generated
Pre-implementation period	1490	437	29.3 (27.0% to 31.6%)
Immediate post-implementation period	1527	480	31.4 (29.1% to 33.8%)
End-of-study post-implementation period	1439	538	37.4 (34.9% to 39.9%)