Regarding the diabetes type 2 dataset of AlOlaiwi2018, the ensemble machine learning recursive feature elimination indicated diabetic retinopathy (DR), age, insulin intake, body-mass-index, and diastolic blood pressure after postural manoeuvres (PDBP) as the top five most predictive variables for past duration of diabetes type 2 (Table 10). Here, INS is linked to type 2 diabetes mellitus.