Table 2. List of analyzed variables.

Variable	p-value	coeffcient	95% CI	Measure
Priority	0.23	-0.64	-0.79–0.19	Average priority for all patients in the ED
Triage priority	0.48	-0.40	-0.58–0.27	Average initial priority as assessed in triage for all patients in the ED
High priority	0.01	1.80	0.39–3.21	Ratio: number of high priority patients (1 and 2) by number of patients in the ED
Awaiting MD	<0.01	1.39	0.58–2.21	Ratio: total time patients spent waiting for a doctor by number of patients in the ED
Average time	0.13	0.07	-0.02–0.14	Average time in hours spent in the ED discharged patients
Longest stay	0.79	0.02	-0.03–0.04	Longest stay for any patient in the ED
Patient hours	<0.01	14.73	11.12–18.34	Ratio: total time, in hours, spent by all patients in the ED by average daily visits
Occupancy	<0.01	-1.10	-1.79–-0.41	Ratio: number of patients in the ED by number of ED beds
Occupancy rate	0.72	0.03	-1.01–1.58	Ratio: number of registered patients by number of ED beds
Average volume	0.79	-0.12	-12.4–9.48	Ratio: number of patients by the average daily visits
Admit index	0.95	0.00	-26.3–28.2	Ratio: number of patients waiting for admission by number of hospital beds
Unseen	0.81	-0.03	-1.50–-1.72	Ratio: unseen patients by number of ED beds
MDs	0.43	-0.04	-1.92–0.83	Ratio: number of MDs by number of patients
Nurses	0.38	-0.05	-1.84–0.70	Ratio: number for nurses by number of patients

Variables included in the reduced model in bold. All variables (numerators in ratios) were measured during the hour prior to the assessments