Table 2

ORs for in-hospital mortality for the pretrend and slope change related to the reconfiguration of the emergency healthcare system

	Unadjusted analyses				Adjusted analyses*
	No. of unplanned contacts	OR	95% CI	P value	No. of unplanned contacts	OR	95% CI	P value
Overall	11 367 655				10 178 821
Pretrend		0.96	0.928 to 0.993	0.018		0.945	0.932 to 0.958	<0.001
Slope change		1	0.951 to 1.051	0.997		0.989	0.968 to 1.01	0.285
Weekday versus weekend
Weekday	7 650 177				7 207 136
Pretrend		0.962	0.935 to 0.989	0.007		0.944	0.931 to 0.957	<0.001
Slope change		1.003	0.96 to 1.046	0.908		0.992	0.971 to 1.013	0.44
Weekend	3 717 478				3 510 680
Pretrend		0.957	0.916 to 1.001	0.054		0.947	0.929 to 0.963	<0.001
Slope change		0.995	0.934 to 1.061	0.888		0.982	0.959 to 1.005	0.127
Time of admission
07:00–15:00 hours	5 630 231				5 314 487
Pretrend		0.959	0.931 to 0.987	0.005		0.942	0.929 to 0.956	<0.001
Slope change		1.006	0.961 to 1.053	0.804		0.995	0.974 to 1.017	0.669
15:003–23:00 hours	4 416 266				4 163 647
Pretrend		0.958	0.918 to 0.998	0.042		0.947	0.93 to 0.964	<0.001
Slope change		0.995	0.939 to 1.054	0.865		0.985	0.959 to 1.011	0.242
23:00–07:00 hours	1 321 158				1 239 667
Pretrend		0.974	0.936 to 1.014	0.205		0.952	0.933 to 0.972	<0.001
Slope change		0.994	0.938 to 1.052	0.827		0.973	0.945 to 1.003	0.077

Adjusted analyses were performed on a complete case basis.
*Adjusted for seasonality, the changes in the out-of-hours system in the Capital Region, the implementation of a referral system to emergency departments, sex, age, Charlson Comorbidity Index, ethnicity, education and income level.