National tables: studies, age and sex. Values Persons who have been diagnosed with some kind of sexually transmitted disease by sex and studies. Units: thousands of persons ;Total;Lower than secondary education;Secondary education;University; Both sexes;1,047.3;399.6;381.0;266.6; Males;583.8;245.5;226.9;111.4; Females;463.5;154.2;154.0;155.2; Notes: Data corresponding to cells with less than 45,000 persons must be used with caution, because they may be affected by high sample errors. Source: National Statistics Institute