The spot DES implantation group had a shorter stent length ( 23.149.70 mm vs. 25.4413.24 mm , respectively ; p < 0.001 ) and a fewer number of stents ( 1.090.30 vs. 1.160.41 , respectively ; p < 0.001 ) , even though the average lesion length was similar to the full lesion coverage group ( 21.3610.30 mm vs. 20.5810.97 mm , respectively ; p = 0.206 ) .