SELECT * FROM table_train_257 WHERE serum_bicarbonate < 15
serum bicarbonate concentration < 15 mmol / l
CREATE TABLE table_train_257 (
    "id" int,
    "serum_bicarbonate" int,
    "plasma_glucose_concentration" int,
    "hemoglobin_a1c_hba1c" float,
    "platelets" int,
    "visual_impairment" bool,
    "NOUSE" float
)