CREATE TABLE table_train_251 ("id" INT, "gender" TEXT, "left_ventricular_ejection_fraction_lvef" INT, "allergy_to_rabbit_proteins" BOOLEAN, "recurring_alcohol_related_legal_problem" BOOLEAN, "hyperlipidemia" BOOLEAN, "fasting_ldl_cholesterol" INT, "baseline_hemoglobin_hgb" FLOAT, "NOUSE" FLOAT)

left ventricular ejection fraction < 30 %
SELECT * FROM table_train_251 WHERE left_ventricular_ejection_fraction_lvef < 30
SELECT * FROM "table_train_251" WHERE "left_ventricular_ejection_fraction_lvef" < 30