LACTB and type 1 diabetes mellitus: Inverse (negative) significant correlation was found between the prevalence of T1D and the utilization of broad-spectrum, beta-lactamase-resistant combination penicillin (J01CR; Pearson’s r = −0.519, p = 0.003), macrolides (J01F; Pearson’s r = −0.473, p = 0.008), and quinolone (Pearson’s r = −0.558, p = 0.001).