The median eGFR was 9 (5–17) ml/min/1.73m2 and was lowest in type I Cr.GN (5 (4–8) ml/min/1.73m2, p<0.001) with the lowest mean Hb (7.6±2 g/dL, p=0.003). Here, GSTM1 is linked to ganglioneuroma.