IL9 and laryngotracheoesophageal cleft: By contrast, another group of investigators reported there was no significant difference in the percentage of Th9 cells, serum IL9 and IL10 levels among different groups (CHB and CHB-LC), no change in the percentage of Th9 cells before and after antiviral treatment in CHB patients, and no obvious correlation between the percentage of Th9 cells, levels of IL9, and IL10 with age, total bilirubin, albumin, ALT, and HBV DNA levels [44].