Table 3

HRs for 30-day mortality for the pretrend and slope change related to the reconfiguration of the emergency healthcare system

	Unadjusted analyses				Adjusted analyses*
	No. of unplanned contacts	HR	95% CI	P value	No. of unplanned contacts	HR	95% CI	P value
Overall	11 367 655				10 717 837
Pretrend		0.977	0.975 to 0.98	<0.001		0.965	0.962 to 0.968	<0.001
Slope change		1.01	1.006 to 1.013	<0.001		1.004	1 to 1.008	0.045
Weekday versus weekend
Weekday	7 650 177				7 207 143
Pretrend		0.98	0.977 to 0.983	<0.001		0.966	0.962 to 0.97	<0.001
Slope change		1.009	1.005 to 1.013	<0.001		1.004	0.999 to 1.009	0.105
Weekend	3 717 478				3 510 694
Pretrend		0.972	0.968 to 0.977	<0.001		0.964	0.959 to 0.97	<0.001
Slope change		1.012	1.006 to 1.018	<0.001		1.002	0.995 to 1.009	0.545
Time of admission
07:00–15:00 hours	5 630 231				5 314 511
Pretrend		0.977	0.974 to 0.981	<0.001		0.965	0.961 to 0.97	<0.001
Slope change		1.012	1.007 to 1.017	<0.001		1.008	1.002 to 1.013	0.006
15:00–23:00 hours	4 416 266				4 163 653
Pretrend		0.974	0.97 to 0.978	<0.001		0.966	0.961 to 0.971	<0.001
Slope change		1.009	1.004 to 1.015	0.001		1.001	0.994 to 1.007	0.803
23:00–07:00 hours	1 321 158				1 239 673
Pretrend		0.991	0.983 to 0.998	0.009		0.97	0.961 to 0.979	<0.001
Slope change		0.995	0.985 to 1.004	0.284		0.985	0.975 to 0.996	0.007

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.
CCI, Charlson Comorbidity Index.