CREATE TABLE table_test_6 ("id" NUMBER, "scr" NUMBER, "anemia" BOOLEAN, "blood_hemoglobin" NUMBER, "bleeding" NUMBER, "hemorrhagic_diseases" BOOLEAN, "stroke" BOOLEAN, "blood_platelet_counts" NUMBER, "trauma" BOOLEAN, "renal_disease" BOOLEAN, "hematocrit_hct" FLOAT, "hepatic_disease" BOOLEAN, "polyglobulia" BOOLEAN, "estimated_glomerular_filtration_rate_egfr" NUMBER, "non_ischemic_stroke" BOOLEAN, "surgery" BOOLEAN, "NOUSE" FLOAT)

severe hepatic and renal dysfunction ( alt > 3 folds of upper limit of normal, egfr < 30 ml / min / 1.73 mm^2 or scr > 200 mmol / l ) ;
SELECT * FROM table_test_6 WHERE hepatic_disease = 1 AND renal_disease = 1 OR (estimated_glomerular_filtration_rate_egfr < 30 OR scr > 200)
SELECT * FROM "table_test_6" WHERE ("estimated_glomerular_filtration_rate_egfr" < 30 OR "hepatic_disease" = 1 OR "scr" > 200) AND ("estimated_glomerular_filtration_rate_egfr" < 30 OR "renal_disease" = 1 OR "scr" > 200)