MAO-B Polymorphism Associated with Progression in a Chinese Parkinson’s Disease Cohort but Not in the PPMI Cohort

Table 3

Association between SNPs and PCA progression in the TW and PPMI cohorts.

Cohort	Gene	SNP	PC	Estimate (95% CI)	value	Type
PPMI	SYT4.RIT2	rs12456492	PC1	−0.333 (−0.536–0.131)	0.0013333	Motor PCA
TW	MAO-B	rs1799836	PC2	0.402 (0.219–0.586)	0.0000686	Nonmotor PCA
	MAO-B	rs1799836	PC3	1.584 (0.957–2.21)	0.0000084
	MAO-B	rs1799836	PC1	0.457 (0.247–0.666)	0.0000765
TW	MAO-B	rs1799836	PC1	-−839 (−1.336–0.342)	0.0014921	Composite PCA

PC, principal component; PCA, principal component analysis.