Whereas in non-elderly , both POCE and DOCE were lower in EES vs. BMS ( 12.4 % vs. 8.8 % , p = 0.03 and 6.7 % vs. 3.6 % , p = 0.01 ) , no differences were found in elderly , with a tendency for interaction between age and stent type for POCE ( p = 0.05 ) .