SIBO positive CLD patients had moderately reduced serum albumin levels as compared to those without SIBO (standardized mean difference (SMD): −0.478, 95% CI: −1.825 to 0.869, p = 0.48, Figure S24), with substantial heterogeneity (I2 = 97.88%, p < 0.001). The gene discussed is ALB; the disease is congenital secretory chloride diarrhea 1.