Table 3.

Showing outcomes at several time points when elective surgical patients were excluded. Chi-square test comparing patients to those with no comorbidities. ‘Missing’ is missing data for hospital mortality, after 2005.

	Mortality
	No ‘pure’ admissions	ICU		Hospital			30 Days		180 Days		12 Months
Group		%	P value	%	P value	Missing	%	P value	%	P value	%	P value
Whole cohort	32,344	24%		29%		1%	31%		38%		41%
No comorbidity	21,419	21%		25%		1%	27%		32%		34%
1 Comorbidity	7215	27%	<0.01	33%	<0.01	1%	35%	<0.01	42%	<0.01	46%	<0.01
2+ Comorbidities	5710	31%	<0.01	39%	<0.01	1%	42%	<0.01	52%	<0.01	58%	<0.01
Asthma	696	14%	<0.01	15%	<0.01	1%	17%	<0.01	21%	<0.01	23%	<0.01
COPD	890	30%	<0.01	36%	<0.01	1%	38%	<0.01	46%	<0.01	51%	<0.01
Liver disease	422	41%	<0.01	47%	<0.01	0%	51%	<0.01	57%	<0.01	62%	<0.01
Cirrhosis and failure	162	41%	<0.01	53%	<0.01	0%	54%	<0.01	63%	<0.01	64%	<0.01
Renal disease	133	34%	0.01	35%	0.01	2%	47%	<0.01	52%	<0.01	56%	<0.01
Dialysis dependent	78	32%	0.01	36%	0.04	0%	37%	0.04	46%	0.01	55%	<0.01
CIHD	640	26%	<0.01	31%	<0.01	1%	33%	<0.01	39%	<0.01	41%	<0.01
MI	98	33%	0.01	34%	0.07	2%	36%	0.05	46%	<0.01	49%	<0.01
Heart failure	204	42%	<0.01	46%	<0.01	0%	50%	<0.01	57%	<0.01	60%	<0.01
Solid malignancy	2476	21%	0.56	30%	<0.01	1%	31%	<0.01	45%	<0.01	52%	<0.01
Haematological malignancy	391	40%	<0.01	49%	<0.01	1%	51%	<0.01	63%	<0.01	68%	<0.01
Rheumatological disease	277	34%	<0.01	39%	<0.01	1%	44%	<0.01	47%	<0.01	52%	<0.01
T1 Diabetes mellitus	240	17%	0.15	16%	0.01	1%	21%	0.04	26%	0.10	31%	0.61
T2 Diabetes mellitus	505	27%	<0.01	33%	<0.01	1%	34%	<0.01	41%	<0.01	43%	<0.01

CIHD: chronic ischaemic heart disease; COPD: chronic obstructive pulmonary disease; MI: myocardial infarction.