CREATE TABLE table_test_26 ("id" INT, "bleeding" INT, "left_ventricular_ejection_fraction_lvef" INT, "left_main_coronary_artery_disease" BOOLEAN, "uncontrolled_diabetes" BOOLEAN, "hiv_infection" BOOLEAN, "hemoglobin_a1c_hba1c" FLOAT, "hepatitis_b_infection" BOOLEAN, "renal_disease" BOOLEAN, "unprotected_left_main_disease" BOOLEAN, "creatinine_clearance_cl" FLOAT, "stenosis" INT, "hepatitis_c_infection" BOOLEAN, "alcohol_abuse" BOOLEAN, "body_mass_index_bmi" FLOAT, "NOUSE" FLOAT)

severe renal insufficiency ( creatinine clearance < 30 ml / min )
SELECT * FROM table_test_26 WHERE renal_disease = 1 OR creatinine_clearance_cl < 30
SELECT * FROM "table_test_26" WHERE "creatinine_clearance_cl" < 30 OR "renal_disease" = 1