Appendix Table 1.

Multivariable-adjusted Proportions and Differences of Proportions of Hospitals with Selected Electronic Functionalities Implemented in At Least One Unit in the Highest, Intermediate, and Lowest Quality Groups

Quality Group:	High Quality	Intermediate Quality	Low Quality	Difference (High-low)	P value
Percent
Clinical Documentation
Patient Demographics	96.3	95.0	94.4	1.8	0.62
Physician Notes	38.7	39.2	36.0	2.7	0.66
Nurses Notes	80.7	73.0	70.1	10.6	0.03
Problem Lists	62.0	55.5	49.3	12.6	0.04
Medication Lists	88.9	78.9	76.5	12.4	<0.001
Discharge Summaries	80.4	75.1	73.1	7.3	0.17
Advanced Directives	68.1	59.4	56.6	11.5	0.03
Results Viewing
Lab Reports	96.6	97.2	97.5	−0.9	0.84
Radiology Reports	97.2	97.1	97.4	−0.2	0.95
Radiology Images	95.4	95.0	94.8	0.6	0.95
Diagnostic Test Results	87.1	83.6	84.4	2.7	0.41
Diagnostic Test Images	73.5	69.5	61.2	12.3	0.02
Consultant Reports	75.9	78.5	73.7	2.1	0.21
CPOE
Laboratory Tests	41.9	39.1	41.0	0.9	0.66
Radiology Tests	43.0	38.7	39.0	3.9	0.51
Medications	41.1	35.2	33.9	7.3	0.22
Consultation Requests	33.4	32.2	32.3	1.1	0.99
Nursing orders	44.3	41.3	38.1	6.2	0.47
Decision Support
Clinical Guidelines	46.9	40.1	35.7	11.1	0.08
Clinical Reminders	54.4	47.4	43.7	10.7	0.09
Drug Allergy Alerts	39.4	33.3	29.2	10.2	0.11
Drug-Drug Interaction Alerts	38.8	32.2	26.3	12.4	0.03
Drug-Lab Interaction Alerts	34.0	26.7	19.2	14.7	<0.01
Drug Dosing Support	31.8	27.0	17.3	14.5	<0.01

CPOE=computerized physician order entry.