Health care. Relative figures Reason for the last day hospital admission in the last 12 months by sex and level of studies. Population aged 15 years old and over that has used any day hospital in the last 12 months. Units: percentages Total A treatment Surgical intervention Other reasons BOTH SEXES Total 100.00 32.94 29.60 37.47 Cannot read or write, or incomplete primary education 100.00 39.06 29.61 31.33 Complete primary education 100.00 34.54 28.43 37.03 Secondary education, 1st stage 100.00 34.65 28.86 36.49 Secondary education, 2nd stage 100.00 28.64 29.61 41.75 Advanced professional training or the equivalent 100.00 31.86 36.18 31.96 University education 100.00 27.41 29.98 42.61 MALES Total 100.00 31.92 29.38 38.71 Cannot read or write, or incomplete primary education 100.00 41.76 28.44 29.80 Complete primary education 100.00 34.11 26.91 38.98 Secondary education, 1st stage 100.00 36.16 25.56 38.29 Secondary education, 2nd stage 100.00 23.38 32.52 44.10 Advanced professional training or the equivalent 100.00 29.92 29.65 40.43 University education 100.00 25.15 37.47 37.39 FEMALES Total 100.00 33.80 29.79 36.41 Cannot read or write, or incomplete primary education 100.00 37.37 30.35 32.28 Complete primary education 100.00 34.96 29.95 35.08 Secondary education, 1st stage 100.00 33.44 31.50 35.06 Secondary education, 2nd stage 100.00 33.73 26.79 39.48 Advanced professional training or the equivalent 100.00 33.98 43.34 22.68 University education 100.00 29.36 23.54 47.10 Notes: 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