Column header descriptions:

CHR       Chromosome code
BP        Basepair position
A1        First allele code
A2        Second allele code
N         Number of valid studies for this SNP
P         Fixed-effects meta-analysis p-value
P(R)      Random-effects meta-analysis p-value
OR        Fixed-effects OR estimate
OR(R)     Random-effects OR estimate
Q         p-value for Cochrane's Q statistic
I         I^2 heterogeneity index (0-100)
SE	standard error 
rsID	variant ID