Table 4

Adjusted ORs for 30-day mortality by day of week and time of day of presentation*

Variable	Ischaemic stroke		Haemorrhagic stroke		AMI		Pneumonia		COPD		CHF
Variable	Adjusted OR	P values	Adjusted OR	P values	Adjusted OR	P values	Adjusted OR	P values	Adjusted OR	P values	Adjusted OR	P values
Day of week		0.136		0.404		0.741		0.136		0.003		0.660
Monday	Reference		Reference		Reference		Reference		Reference		Reference
Tuesday	1.14 (0.95 to 1.38)	0.167	1.01 (0.82 to 1.24)	0.926	1.07 (0.90 to 1.28)	0.451	0.87 (0.77 to 0.98)	0.023	1.09 (0.94 to 1.25)	0.269	1.00 (0.88 to 1.14)	0.971
Wednesday	1.12 (0.93 to 1.35)	0.242	1.08 (0.88 to 1.34)	0.451	0.99 (0.83 to 1.19)	0.936	0.97 (0.86 to 1.09)	0.606	1.08 (0.93 to 1.25)	0.298	1.06 (0.93 to 1.21)	0.373
Thursday	1.03 (0.84 to 1.25)	0.803	0.88 (0.71 to 1.09)	0.228	1.08 (0.91 to 1.29)	0.371	0.98 (0.87 to 1.10)	0.720	1.29 (1.12 to 1.48)	0.001	0.99 (0.87 to 1.12)	0.829
Friday	1.22 (1.01 to 1.47)	0.039	1.05 (0.85 to 1.29)	0.653	1.10 (0.92 to 1.31)	0.303	0.92 (0.81 to 1.03)	0.156	1.25 (1.08 to 1.44)	0.002	1.09 (0.96 to 1.24)	0.175
Saturday	1.17 (0.96 to 1.42)	0.112	1.13 (0.91 to 1.40)	0.275	1.01 (0.84 to 1.21)	0.941	1.03 (0.92 to 1.17)	0.578	1.18 (1.02 to 1.37)	0.030	1.07 (0.94 to 1.23)	0.315
Sunday	1.28 (1.06 to 1.54)	0.012	1.06 (0.85 to 1.31)	0.595	0.96 (0.80 to 1.16)	0.681	0.97 (0.86 to 1.10)	0.670	1.05 (0.90 to 1.22)	0.550	1.02 (0.89 to 1.17)	0.784
Time of day		<0.001		<0.001		0.200		0.861		0.905		0.525
Day	Reference		Reference		Reference		Reference		Reference		Reference
Night	1.30 (1.17 to 1.45)		1.58 (1.40 to 1.78)		1.07 (0.97 to 1.17)		1.01 (0.94 to 1.08)		1.00 (0.92 to 1.08)		1.02 (0.95 to 1.10)

Models were adjusted for age, sex and comorbidities (final model results for all variables are provided in online supplementary table S1). Hospital is included as a random effect.
*Day of hospital admission or associated preceding emergency department presentation.
AMI, acute myocardial infarction; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease.