CREATE TABLE table_train_67 ("id" INT, "corticosteroid_therapy" BOOLEAN, "viral_infection" BOOLEAN, "active_infection" BOOLEAN, "hiv_infection" BOOLEAN, "neutropenia" INT, "receiving_prednisolone" INT, "age" FLOAT, "NOUSE" FLOAT)

presence of hiv infection
SELECT * FROM table_train_67 WHERE hiv_infection = 1
SELECT * FROM "table_train_67" WHERE "hiv_infection" = 1