In patients with psoriasis, serum I-FABP significantly correlated with BMI (r = 0.82, p < 0.001, Figure 1A), PASI (r = 0.78, p < 0.001, Figure 1B) and NLR (r = 0.24, p < 0.001, Figure 1C). The gene discussed is FABP2; the disease is psoriasis.