Column description: 

MarkerName: SNP identifier (format: <CHR>:<POS_b37>:<A1>_<A2>; with alleles in alphabetical order)
Allele1: effect/coded allele
Allele2: non effect/coded allele
n: Sample size
Freq1: Allele frequency of Allele1
Effect: Genetic effect of Allele1
StdErr: Strandard error of 'Effect'
P-value: Association P-Value (2-sided)
Direction: Direction of effect in UKB and CKDGen data
mac: Minor allele count
chr: Chromosome
pos: Base position (b37)
P.value.GC: Genomic control corrected P-Value
StdErr.GC: Genomic control corrected standard error
RSID: rs identified

Please refer to Stanzick et al. 2021 for more details on the analyses.
Contact thomas.winkler@ukr.de if you have questions. 
2021/06/16