highly significantp = 1.25 × 10 -15
[ 12 ] also showed a strong and highly significant association between SMPD1 variants with ≥ 56% loss of enzymatic activity and PD risk (OR 2.24, p = 1.25 × 10 -15 ).
[ 12 ] also showed a strong and highly significant association between SMPD1 variants with ≥ 56% loss of enzymatic activity and PD risk (OR 2.24, p = 1.25 × 10 -15 ).