Although the cut-off points were relatively higher (> 75% for HNF1A and 62% for GCK) compared to those found in the present study, comparison was not made with individuals with T1DM or T2DM as control groups; therefore, at that moment, the effectiveness of the MODY calculator could not be validated or evaluated in this population. This evidence concerns the gene GCK and type 2 diabetes mellitus.