MAOB and Parkinson disease: In contrast, fewer elderly patients ≥75 years were prescribed anti-PD drugs such as non-ergot DAs, MAO-B inhibitors, and anticholinergic agents than those < 75 years (Figure 2), and elderly patients ≥75 years were prescribed a smaller number of anti-PD drug types compared with younger patients (2.2% vs. 2.6%, respectively, p < 0.05) (Table 1A).