In addition, the study reported GBA1 p.E365K, detected in 4.3% of patients with PD (18/442) and in 6.6% of controls (29/419) (OR = 0.57 [0.13, 1.04]), and p.T408M, found in 1.7% of patients with PD (7/442) and in 3.6% of controls (16/419) (OR = 0.41 [0.17, 1]). Here, GBA1 is linked to Parkinson disease.