Table 2.

Demographic characteristics, underlying medical conditions, in‐hospital case fatality risk (CFR), length of hospital stay (LOHS), and costs of patients hospitalized with confirmed 2009 A(H1N1)pdm09 according to diabetes status

	T1DM		T2DM		Non‐diabetics (n = 10416)
	n	% (IC 95%)	n (Mean)	% (CI 95%)	n (Mean)	% (CI 95%)
Agea,b,c	(26·92)	(23·3–30·5)	60·19	(59·3–61·1)	31·7	(31·3–32·1)
Age groupsa,b,c (years)
<18	37	38·1	0	0	3184	30·6
18–30	24	24·7	16	1·7	1842	17·7
31–45	23	23·7	114	12·2	2464	23·7
46–60	8	8·2	343	36·6	1835	17·6
61–75	3	3·1	334	35·6	789	7·6
76 and over	2	2·1	130	13·9	302	2·9
Sex
Women	50	51·5	448	47·8	5195	49·9
Pregnancyb,c	2	7·7	2	4·0	709	28·4
No chronic disease*,a,b,c	69	71·1	263	28·1	5074	48·7
Chronic Cardiovascular diseaseb,c	5	5·1	79	8·4	151	1·4
Asthmab	5	5·1	107	11·4	1648	15·8
Chronic respiratory disease (Asthma not included)a	0	0	215	22·9	969	9·3
Obesitya,c	4	4·1	251	26·8	716	6·9
Endocrine disease	7	7·2	67	7·1	410	3·9
Cancerc	0	0	46	4·9	466	4·5
Hematological diseasec	2	2·1	65	6·9	825	7·9
Epilepsy	2	2·1	12	1·3	243	2·3
Diseases of the CNS	0	0	25	2·7	94	0·9
Chronic liver disease	0	0	7	0·7	30	0·3
Chronic renal diseasea,b,c	10	10·3	97	10·3	280	2·7
HIVc	0	0	9	1·0	245	2·3
CFR	2	2·1	36	3·8	244	2·3
LOHS in days [Median; IQR] (years)
<18	[4; 3–6]		NA		[3; 2–6]
18–30	[4; 3–6]		[5; 4–9]		[4;2–6]
31–45	[5; 3–8]		[7; 4–11]		[6;3–7]
46–60	[6; 4–9]		[6; 4–9]		[5; 2·5–11·5]
61–75	[6; 4–9]		[6; 4–9]		[6;2–12]
76 and over	[6; 4–9]		[7; 5–10]		[6·5; 4–9]
Totala,c	[5·6; 4·5–6·7]		[8·0; 7·6–8·5]		[6·7; 6·6–6·9]
Cost per patient (Mean; 95%CI)	(3039; 1837–4241)		(3754; 3426–4083)		(3032; (2929–3135)

T1DM Type 1 diabetes mellitus. T2DM Type 2 diabetes mellitus.

^*No chronic disease excludes all listed diseases.

^a P‐value < 0·05 Comparing patients with T1DM versus patients with T2DM.

^b P‐value < 0·05 Comparing T1DM versus non‐diabetic patients.

^c P‐value < 0·05 Comparing T2DM versus non‐diabetic patients.