GSTM1 and liver dysplastic nodule: The results showed that RC-R2∗ and RM-R2∗ were negatively correlated with eGFR, RC-D and RM-D were positively correlated with eGFR, and eGFR, Hb, RC-R2∗, RM-R2∗, and RC-D all had an impact on the prognosis of DN patients.