Table 1

Distribution of the population of the Basque Country across chronic disease groups (CDGs)*

CDGs	Patients (N)	%
Infectious and parasitic diseases	5133	0.26
Malignant neoplasms	33 569	1.72
Other endocrine disorders	57 862	2.97
Diabetes mellitus	84 697	4.35
Hyperlipidaemia	143 184	7.35
Diseases of the blood and blood-forming organs	9189	0.47
Diseases of the nervous system	41 153	2.11
Diseases of the sense organs	66 277	3.40
Other heart diseases	21 755	1.12
Hypertension	197 693	10.15
Congestive heart failure	11 376	0.58
Stroke	20 216	1.04
Other vascular diseases	14 642	0.75
Other respiratory diseases	3239	0.17
Chronic obstructive pulmonary disease	29 154	1.50
Asthma	44 080	2.26
Diseases of the digestive system	39 764	2.04
Diseases of the genitourinary system	87 665	4.50
Diseases of the skin and subcutaneous tissue	20 131	1.03
Diseases of the musculoskeletal system	110 494	5.68
Congenital anomalies	13 794	0.71
Other mental illnesses	124 407	6.39
Alcohol and substance abuse	11 138	0.57
Schizophrenia and psychosis	9631	0.49
Metastasis	2668	0.14
Obesity	19 503	1.00
Other miscellaneous conditions	12 019	0.62

*An individual may be included in several groups (except in the case of neoplasms and metastasis, when only the latter was considered).