CREATE TABLE table_train_159 ("id" NUMBER, "hemoglobin_a1c_hba1c" FLOAT, "estimated_glomerular_filtration_rate_egfr" NUMBER, "kidney_disease" BOOLEAN, "serum_triglyceride" NUMBER, "body_mass_index_bmi" FLOAT, "age" FLOAT, "NOUSE" FLOAT)

body mass index < 45 kg / m2
SELECT * FROM table_train_159 WHERE body_mass_index_bmi < 45
SELECT * FROM "table_train_159" WHERE "body_mass_index_bmi" < 45