For instance, when analysis was performed with the CD39high/int/low groups, the HBV viral copies were found to be significantly increased in the CD39high group, as compared with the CD39low group in all HBV-infected subjects; however, the serum ALT levels were increased in the CD39low group, as compared with the CD39int/high groups in CAH patients. Here, GPT is linked to congenital adrenal hyperplasia.