Effects of Shared Electronic Health Record Systems on Drug-Drug Interaction and Duplication Warning Detection

Table 3

Prescriptions with severe and moderate DDI warnings without (drugs issued by one HCP) and with e-Medikation (drug issued by different HCPs) per age group.

Age group	Number of prescriptions	Severe DDI warnings						Moderate DDI warnings
		Without e-Medikation		With e-Medikation		Increase		Without e-Medikation		With e-Medikation		Increase
		20–29	893,383	869	0.10	1,093	0.12	224	25.8	21,325	2.39	26,330	2.95	5,005	23.5
30–39	1,439,362	1,423	0.10	1,801	0.13	378	26.6	63,153	4.39	76,363	5.31	13,210	20.9
40–49	2,530,847	3,176	0.13	3,853	0.15	677	21.3	186,814	7.38	218,108	8.62	31,294	16.8
50–59	3,961,860	6,639	0.17	7,916	0.20	1,277	19.2	410,905	10.37	468,481	11.82	57,576	14.0
60–69	6,459,356	13,898	0.22	16,546	0.26	2,648	19.1	739,927	11.46	831,723	12.88	91,796	12.4
70–79	6,209,350	15,513	0.25	18,239	0.29	2,726	17.6	796,121	12.82	886,839	14.28	90,718	11.4
80–89	4,651,582	13,020	0.28	14,773	0.32	1,753	13.5	588,190	12.64	646,178	13.89	57,988	9.9
90–99	777,134	2,170	0.28	2,353	0.30	183	8.4	83,437	10.74	89,631	11.53	6,194	7.4
Sum, mean	26,922,874	56,708	0.21	66,574	0.25	9,866	17.4	2,301,682	8.55	3,217,323	11.95	282,583	12.3