CREATE TABLE table_dev_28 ("id" INT, "gender" TEXT, "systolic_blood_pressure_sbp" INT, "consent" BOOLEAN, "hemoglobin_a1c_hba1c" FLOAT, "hematocrit_hct" FLOAT, "fasting_triglycerides" INT, "fasting_blood_glucose_fbg" FLOAT, "diastolic_blood_pressure_dbp" INT, "hba1c" FLOAT, "metformin" BOOLEAN, "age" FLOAT, "NOUSE" FLOAT)

hematocrit of less than or equal to 30 % .
SELECT * FROM table_dev_28 WHERE hematocrit_hct <= 30
SELECT * FROM "table_dev_28" WHERE "hematocrit_hct" <= 30