Subjects of the Roma population were more frequently diagnosed with kidney disease (RR: 1.216 (1.096–1.349), p < 0.0001), HBsAg positivity (RR: 4.468 (2.373–8.415), p < 0.0001), anti HBc IgG positivity (RR: 3.13 (2.598–4.224), p < 0.0001), and anti HEV positivity (RR: 2.972 (1.226–7.287), p < 0.0001). This evidence concerns the gene KRT88P and kidney disorder.