Table 2

Select comorbid conditions of the study cohort

	Overall study cohort
	Readmitted								p Value
	(A) All readmitted		(A1) Hypo		(A2) Non-hypo		(B) Not readmitted		(A) vs (B)
	n=1095		n=158		n=937		n=3381
CCI Mean (SD)	4.2 (2.4)		3.9 (2.2)		4.9 (2.5)		3.3 (2.0)		<0.001
CCI Mean (SD)	n	Per cent	n	Per cent	n	Per cent	n	Per cent	p Value
Secondary malignancies	28	2.6	0	0.0	28	3.0	44	1.3	0.006
Obesity	175	16.0	14	8.9	161	17.2	438	13.0	0.013
Hypertension	868	79.3	132	83.5	736	78.5	2343	69.3	<0.001
Cardiac dysrhythmias, any	302	27.6	37	23.4	265	28.3	600	17.7	<0.001
Congestive heart failure	327	29.9	37	23.4	290	30.9	649	19.2	<0.001
Cerebrovascular disease	152	13.9	19	12.0	133	14.2	303	9.0	<0.001
COPD and bronchiectasis	252	23.0	33	20.9	219	23.4	453	13.4	<0.001
Chronic renal failure	461	42.1	62	39.2	399	42.6	999	29.5	<0.001
Mood disorders	273	24.9	39	24.7	234	25.0	513	15.2	<0.001
Substance-related disorders	119	10.9	13	8.2	106	11.3	175	5.2	<0.001