Notably, patients with gastrointestinal hemorrhage had significantly lower hemoglobin levels (92.48 ± 20.75 vs. 130.30 ± 21.96 g/L, p < 0.001) and serum albumin levels (33.70 ± 5.16 vs. 40.21 ± 5.00 g/L, p < 0.001). The gene discussed is ALB; the disease is Gastrointestinal hemorrhage.