Table 2.

Proportion of hospitals with selected electronic functionalities implemented in at least one unit in the high, intermediate, and low quality grades

EHR Function	High Quality (N = 166)	Intermediate Quality (N = 1318)	Low Quality (N = 153)	Difference (high – low)	p-value*
Clinical Documentation	percent
Patient demographics	96	94	92	4	0.29
Physician notes	39	39	36	3	0.68
Nurses notes	81	73	68	12	0.04
Problem lists	61	55	49	12	0.10
Medication lists	89	79	73	16	<0.01
Discharge Summaries	81	75	71	10	0.15
Advanced directives	69	59	53	16	0.02
Results Viewing
Lab Reports	96	96	96	0	0.93
Radiology Reports	97	96	96	1	0.89
Radiology Images	95	94	92	3	0.54
Diagnostic Test Results	88	82	78	10	0.06
Diagnostic Test Images	75	68	54	21	<0.001
Consultant Reports	77	78	70	7	0.06
Computerized Order Entry
Laboratory Tests	44	39	36	8	0.30
Radiology Tests	45	38	34	11	0.14
Medications	43	35	30	13	0.04
Consultation Requests	37	32	27	10	0.19
Nursing Orders	47	41	33	14	0.05
Decision Support
Clinical Guidelines	49	40	32	17	<0.01
Clinical Reminders	57	47	38	19	<0.01
Drug Allergy Alerts	42	33	25	17	<0.01
Drug-Drug Interaction Alerts	42	32	22	20	<0.01
Drug-Lab Interaction Alerts	36	27	17	19	<0.001
Drug Dosing Support	34	27	15	19	<0.001

^*P-values for comparisons across all three groups.