Table 2: Procedural and angiographic variables.

<65 years ≥65 years value

Vessels treated 249385
Vessels treated per patient1.71.9
Mean number of stents per vessel 0.073
Stent type per patients0.449
Lesion location (%) per patient
Ostial lesion20.020.70.803
Bifurcating non left main59.6550.388
Left main13.325.20.360
Ejection fraction (%) 0.767
Vessels with restenotic lesions (%)
Lesion length per patient treated (mm) 0.832
Diameter of index vessel (mm) 0.993