Table 1. Baseline demographic characteristics by continent

Europe (n = 2590)Japan (n = 2169)US (n = 3856)
MeanMeanP-valueaMeanP-valuea
a P-value for comparison with Europe.
Age (yr) (SD)60.2 (15.2)58.6 (12.5)0.00160.5 (15.5)0.02
    % 65+47.133.1<0.000144.70.08
    % 75+16.810.1<0.000120.2<0.0001
Male (%)57.661.90.00253.4<0.0001
Black (%)1.60.0<0.000138.3<0.0001
Years on hemodialysis (SD)5.1 (5.6)7.4 (6.4)<0.0013.4 (3.8)<0.001