Clinical Study

Interaction between the Haptoglobin 2 Phenotype and Diabetes Mellitus on Systolic Pulmonary Arterial Pressure and Nitric Oxide Bioavailability in Hemodialysis Patients

Figure 3

Hp phenotype dependent differences in the prevalence of low plasma nitrite. None of the individuals with Hp 1-1 phenotype had nitrite levels below 0.2 μM compared with 16.3% of the Hp 2-1 or 28.3% of the Hp 2-2 ().