Appendix Table 3a.

Factor Loadings for High Quality Hospitals

Variable	Factor 1 Eigen= 8.8	Factor 2 Eigen= 4.2	Factor 3 Eigen= 1.8	Factor 4 Eigen= 1.4	Factor 5 Eigen= 1.1
Patient Demographics	0.0572	0.7599	0.0045	0.0745	−0.0338
Physician Notes	0.3180	0.0687	0.4572	0.0994	0.1601
Nurses Notes	0.0940	0.2397	0.6276	0.1911	0.2938
Problem Lists	0.1128	0.0726	0.8529	0.0249	0.0712
Medication Lists	0.0277	0.5331	0.4458	0.1430	−0.2229
Discharge Summaries	0.0661	0.1671	0.5759	0.1378	0.3059
Advanced Directives	0.0173	0.2187	0.4019	0.1075	0.6034
View Lab Reports	0.1196	0.8915	0.1310	0.0529	0.1328
View Radiology Reports	0.1111	0.8631	0.0820	0.0118	0.1934
View Radiology Images	0.1420	0.7020	0.2539	0.0384	0.1722
View Diagnostic Test Results	0.1160	0.6069	−0.1425	0.4570	0.0721
View Diagnostic Test Images	0.0350	0.5040	−0.0705	0.5208	−0.0895
View Consultant Reports	0.0559	0.2090	−0.0236	0.1363	0.8288
CPOE Laboratory Tests	0.9353	0.0960	0.0845	−0.0096	−0.0280
CPOE Radiology Tests	0.9336	0.1026	0.0861	0.0079	−0.0204
CPOE Medications	0.9613	0.0815	−0.0064	0.0424	0.0186
CPOE Consultation Requests	0.9096	0.0344	0.1037	0.0673	0.0733
CPOE Nursing orders	0.8645	0.0920	0.0990	0.1479	−0.0416
Clinical Guidelines	0.2633	0.0468	0.2129	0.7966	0.0214
Clinical Reminders	0.2102	0.1033	0.0536	0.7975	0.2338
Drug Allergy Alerts	−0.9640	−0.0526	−0.0112	−0.0793	−0.0396
Drug-Drug Interaction Alerts	−0.9562	−0.0590	−0.0191	−0.0970	−0.0490
Drug-Lab Interaction Alerts	−0.8781	−0.0311	−0.0293	−0.1222	−0.0813
Drug Dosing Support	−0.8616	−0.0150	−0.0144	−0.1885	−0.0275

^*Maximum Factor Loadings in Bold. Factors incorporated for Eigenvalues greater than 1. CPOE=computerized physician order entry.