CREATE TABLE table_train_68 ("id" INT, "sequential_organ_failure_assessment_sofa" INT, "pregnancy_or_lactation" BOOLEAN, "piro_predispose_infection_response_organ_dysfunction_score" INT, "systolic_blood_pressure_sbp" INT, "hypotension" BOOLEAN, "age" FLOAT, "lactate" INT, "NOUSE" FLOAT)

patients < 18 years of age
SELECT * FROM table_train_68 WHERE age < 18
SELECT * FROM "table_train_68" WHERE "age" < 18