Association of <i>DDAH</i> tag SNPs and with serum ADMA levels in all participants.

Note: p values have been adjusted for duration of diabetes, age, hypertension, smoking, nephropathy and retinopathy status. Results are shown only if genotypes were carried by 5 or more participants. Significant p values are shown in bold type. * = p-values survive correction for multiple testing. † = p values are also significant in no diabetic retinopathy subset.