Table 2. Index decomposition analysis: changes in inpatient treatment of selected chronic diseases between 2000 and 2009 (both sexes).

Diagnostic class/subgroup	Case numbers		Index (change in %)
	2000	2009	Total	Due to hospitalization rate	Due to population aging
Both sexes
A00–T98 All diseases and consequences of external factors	16 723 761	17 567 310	1.050	0.990	1.061
			(+5.0)	(–1.0)	(+6.1)
Including
I00–I99 Diseases of the circulatory system	2 752 941	2 695 860	0.979	0.852	1.150
			(–2.1)	(–14.8)	(+15.0)
– I20–I25 Ischemic heart diseases	895 016	661 317	0.739	0.641	1.152
			(–26.1)	(–35.9)	(+15.2)
– I50 Heart failure	239 148	363 256	1.519	1.245	1.220
			(+51.9)	(+24.5)	(+22.0)
– I60–I69 Cerebrovascular diseases	390 598	357 141	0.914	0.773	1.183
			(–8.6)	(–22.7)	(+18.3)
C00–C97 (without C44) Malignant neoplasms	1 617 804	1 425 633	0.881	0.772	1.142
			(–11.9)	(–22.8)	(+14.2)
– C18–C21 Colorectal cancer	248 352	173 455	0.698	0.613	1.139
			(–30.2)	(–38.7)	(+13.9)
– C33–C34 Lung cancer	177 450	188 100	1.060	0.922	1.150
			(+6.0)	(–7.8)	(+15.0)
– C50 Malignant neoplasm of breast	250 510	146 587	0.585	0.553	1.057
			(–41.5)	(–44.7)	(+5.7)
– C61 Malignant neoplasm of prostate	80 088	83 868	1.047	0.845	1.239
			(+4.7)	(–15.5)	(+23.9)
M00–M99 Diseases of the musculoskeletal system and connective tissue	1 239 222	1 641 564	1.325	1.244	1.065
			(+32.5)	(+24.4)	(+6.5)
– M15–M19 Arthrosis	298 507	419 411	1.405	1.256	1.118
			(+40.5)	(+25.6)	(+11.8)
– M40–M54 Dorsopathies	340 625	545 418	1.601	1.508	1.061
			(+60.1)	(+50.8)	(+6.1)

Source: Hospitalization statistics of the German Federal Statistical Office (calculations by the author)