Table 3.

ED MEWS association with admission to the hospital

	Unadjusted				Adjusted
		95% CI				95% CI
	OR	Lower	Upper	p	OR	Lower	Upper	p
Outcome=Admitted to hospital vs. not admitted Mean ED MEWSa
Mean ED MEWS (continuous)	2.318	2.079	2.584	<0.0001	2.177	1.938	2.446	<0.0001
Age at encounter (continuous)					1.034	1.028	1.040	<0.0001
Gender (male vs. female)					1.647	1.320	2.055	<0.0001
Ethnicity (Hispanic or Latino vs. not)					0.693	0.197	2.441	0.568
Mode of arrival (ambulance vs. other)					1.671	1.320	2.115	<0.0001
Mode of arrival (missing vs. other)					1.046	0.567	1.933	0.8847
Outcome=Admitted to hospital vs. not admitted Maximum ED MEWSa
Maximum ED MEWS (continuous)	1.939	1.799	2.090	<0.0001	1.834	1.696	1.984	<0.0001
Age at encounter (continuous)					1.034	1.027	1.040	<0.0001
Gender (male vs. female)					1.580	1.260	1.982	<0.0001
Ethnicity (Hispanic or Latino vs. not)					0.834	0.235	2.960	0.7789
Mode of Arrival (ambulance vs. other)					1.569	1.233	1.997	0.0003
Mode of arrival (missing vs. other)					1.040	0.557	1.944	0.9017
Outcome=ICU vs. HDU/general wardb
Mean MEWS score in ED (continuous)	1.792	1.478	2.173	<0.0001	1.741	1.421	2.133	<0.0001
Age at encounter (continuous)					0.976	0.956	0.997	0.0241
Gender (male vs. female)					0.949	0.452	1.992	0.8891
Mode of arrival (ambulance vs. other)					2.949	1.231	7.064	0.0152
Mode of arrival (missing vs. other)					2.345	0.265	20.781	0.4438
Outcome=ICU vs. HDU/general wardb
Maximum MEWS score in ED (continuous)	1.539	1.322	1.792	<0.0001	1.508	1.286	1.768	<0.0001
Age at encounter (continuous)					0.977	0.957	0.997	0.0272
Gender (male vs. female)					0.924	0.442	1.932	0.8345
Mode of arrival (ambulance vs. other)					3.218	1.344	7.703	0.0087
Mode of arrival (missing vs. other)					2.485	0.279	22.154	0.4148

^aPatients excluded from model if they had missing values for MEWS score or ethnicity.

^bPatients excluded from model if they had missing values for MEWS.