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. 2024 Jul 10;103(3):e209620. doi: 10.1212/WNL.0000000000209620

Table 3.

Genetic Correlations Between BMI and PD

Study No. of SNPs Gcorr 95% CI p Value I2 (%) p-het.
Courage-PD 1,051,136 −0.086 −0.157 to −0.015 0.0178
iPDGC 756,723 −0.088 −0.146 to −0.030 0.0029
Pooled — −0.087 −0.132 to −0.042 <0.001 0.0 0.969

Abbreviations: BMI = body mass index; Courage-PD = Comprehensive Unbiased Risk Factor Assessment for Genetics and Environment in PD; Gcorr = genetic correlation; iPDGC = international Parkinson Disease Genomics Consortium; PD = Parkinson disease; p-het. = Cochran Q test for heterogeneity across studies; SNP = single-nucleotide polymorphism.