CREATE TABLE table_test_13 ("id" NUMBER, "systolic_blood_pressure_sbp" NUMBER, "tachycardia" NUMBER, "diastolic_blood_pressure_dbp" NUMBER, "total_cholesterol" NUMBER, "high_density_lipoprotein_cholesterol_hdl_c" NUMBER, "serum_creatinine" FLOAT, "alcohol_abuse" BOOLEAN, "drug_abuse" BOOLEAN, "body_mass_index_bmi" FLOAT, "triglyceride_tg" FLOAT, "age" FLOAT, "NOUSE" FLOAT)

serum creatinine > 2 mg / dl
SELECT * FROM table_test_13 WHERE serum_creatinine > 2
SELECT * FROM "table_test_13" WHERE "serum_creatinine" > 2