Socioeconomic status and hospitalization in the very old: a retrospective study

BMC Public Health

Table 3 Distribution of Charlson index (%) by principal diagnosis and income decile in females.

	all				Diabetes mellitus				COPD*				CHF**				Stroke				Hip fracture
		0	1	1+		0	1	1+		0	1	1+		0	1	1+		0	1	1+		0	1	1+
i.d. °	n	%	%	%	n	%	%	%	n	%	%	%	n	%	%	%	n	%	%	%	n	%	%	%
1	17488	43.6	31.6	24.8	421	56.8	33.5	9.7	590	68.6	24.1	7.3	1057	50.1	33.5	16.4	1230	62.5	24.2	13.3	648	80.1	15.7	4.2
2	16161	45.9	29.4	24.7	378	57.7	29.9	12.4	426	65.7	27.5	6.8	853	50.6	35.1	14.3	1057	60.6	26.4	13.1	640	81.4	13.9	4.7
3	16334	47.2	28.9	23.9	324	56.8	29.9	13.3	363	70.5	24.2	5.2	815	51.5	36.0	12.5	1057	63.3	23.0	13.7	660	79.2	16.5	4.2
4	17989	47.2	29.6	23.2	337	58.8	28.8	12.5	405	72.1	23.5	4.4	903	54.3	31.3	14.4	1258	65.6	22.6	11.8	704	82.5	12.5	5.0
5	19331	49.0	27.4	23.6	323	55.1	32.5	12.4	455	68.6	24.6	6.8	880	51.0	32.3	16.7	1288	60.6	27.2	12.2	882	83.7	13.4	2.9
6	18507	49.7	26.6	23.7	291	52.6	32.3	15.1	385	64.7	26.8	8.6	819	54.5	30.5	15.0	1140	62.5	25.7	11.8	855	82.9	13.9	3.2
7	17547	50.1	26.6	23.2	265	52.1	32.5	15.5	364	70.9	21.2	8.0	741	53.4	31.2	15.4	1072	66.0	21.4	12.6	852	84.4	12.0	3.6
8	15862	51.9	25.2	22.9	212	58.0	29.2	12.7	282	71.6	20.9	7.5	645	48.2	35.3	16.4	968	65.0	20.5	14.6	839	86.4	10.0	3.6
9	16084	53.5	25.6	21.0	202	56.9	31.2	11.9	286	74.5	21.0	4.6	604	58.9	28.3	12.7	988	68.7	19.5	11.7	919	86.3	10.8	2.9
10	15759	55.8	23.8	20.4	121	61.2	26.4	12.4	233	79.0	16.7	4.3	499	57.9	32.9	9.2	862	71.4	19.0	9.6	937	88.8	9.0	2.2

* Chronic Obstructive Pulmonary Disease; **Congestive Heart Failure. ICD IX codes: Diabetes mellitus 250; COPD491,492; CHF 428; Stroke 431, 432, 434, 436; Hip fracture 820. ° income decile

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