The AlOlaiwi2018 diabetes type 2 dataset consists of several features related to conditions of the patient (diabetic retinopathy, bloating, postural heart rate, vomiting, stomach fullness, belly visibly larger, gastroparesis, hypertension), physiological traits (sex, age, body-mass index), treatment (metformin, insulin, sulfonylurea), variables related to lifestyle (smoking). Here, INS is linked to diabetic retinopathy.