1. Figure S1: Distribution of GFR estimated by two equations: (A) Japanese GFR equation, and (B) coefficient-modified CKD-EPI equation. 50000 70000 60000 40000 50000 30000 40000 30000 20000 20000 10000 10000 0 0 10 20 30 40 50 60 70 80 90 110 130 10 30 50 70 90 120 150 180 210 240 Gender A B Female Male mCKDEPI-eGFR (mL/min/1.73 m2) JPN-eGFR (mL/min/1.73 m2) Figure S1

2. Figure S2: Relationship between age and GFR estimated by two equations. JPN-eGFR mCKDEPI-eGFR GFR (mL/min/1.73 m2) Age (year) JPN-eGFR = -0.52 x Age + 109.27 mCKDEPI-eGFR = -0.65 x Age + 117.67 Figure S2