Health care. Absolute figures Reason for the stay in hospital in the last 12 months by sex social class based on the occupation of the reference person. Population that has been hospitalised in the last 12 months Units: thousands of persons ;Total;Surgical intervention;Medical study for a diagnosis;Medical treatment without surgical intervention;Delivery (including cesarean section);Other reasons;No data recorded; BOTH SEXES; Total;3,634.2;1,602.3;566.5;738.1;441.8;282.0;3.5; I;311.9;133.2;36.5;58.2;61.3;20.2;2.6; II;245.1;118.5;46.5;39.4;26.2;14.6;0.0; III;643.2;285.4;82.6;110.5;99.1;65.6;0.0; IV;583.9;280.9;88.3;140.4;41.3;33.0;0.0; V;1,235.9;537.8;202.5;239.8;149.3;106.4;0.0; VI;525.5;213.1;88.3;135.0;55.5;32.6;0.9; No data recorded;88.7;33.3;21.7;14.8;9.2;9.7;0.0; MALES; Total;1,620.6;790.3;293.6;378.3;..;155.7;2.6; I;138.6;73.8;21.2;30.5;..;10.4;2.6; II;104.5;53.6;21.5;20.7;..;8.8;0.0; III;263.3;133.0;40.0;55.9;..;34.4;0.0; IV;304.2;151.8;44.2;82.5;..;25.7;0.0; V;577.7;282.9;122.1;121.7;..;50.9;0.0; VI;213.5;86.4;39.8;64.4;..;22.9;0.0; No data recorded;19.0;.;.;.;..;.;.; FEMALES; Total;2,013.6;811.9;272.9;359.7;441.8;126.3;0.9; I;173.3;59.4;15.2;27.6;61.3;9.8;0.0; II;140.6;64.9;25.0;18.7;26.2;5.8;0.0; III;379.9;152.4;42.6;54.6;99.1;31.2;0.0; IV;279.8;129.2;44.1;57.9;41.3;7.3;0.0; V;658.2;254.9;80.4;118.1;149.3;55.5;0.0; VI;312.0;126.6;48.6;70.6;55.5;9.7;0.9; No data recorded;69.7;24.5;16.8;12.2;9.2;7.1;0.0; Notes: .Data protected by statistical secrecy 1) a) Socio-economic levels classification of the Spanish Society of Epidemiology: I. Directors and managers of establishments with 10 or more wage earners and professionals traditionally associated with university degrees II. Directors and managers of establishments with 10 or more wage earners, professionals traditionally associated with university degrees and other technical support professionals III. Intermediate occupations and self-employed workers IV. Supervisors and workers in skilled technical occupations IV. Skilled primary sector workers and other semi-skilled workers VI. Non-skilled workers 1) b) The category 'Delivery' is only compiled for women aged 15 years old and over. The symbol '.' shall be deemed as data which cannot be given due to an insufficient sample. The symbol '..' shall be deemed as data which are not collected for this classification in the table. The symbol '...' shall be deemed as an 'error of division by zero. The data corresponding to cells with fewer than 35 thousand persons must be considered with caution, as they may be affected by a high degree of sampling error. Source: Ministry of Public Health, Social Services and Equality and INE