Table 2

Angiographic and procedural characteristics

OutcomeRadial approach (n = 571)Femoral approach (n = 480)p Value
Lead operator preference, n (% of individual operator’s activity)<0.001*
    Operator 186 (48)94 (52)
    Operator 2210 (90)24 (10)
    Operator 3110 (56)86 (44)
    Operator 447 (21)173 (79)
    Operator 516 (89)2 (11)
    Operator 6102 (50)101 (50)
Vessels attempted, n (%)0.148
    Graft2 (0.4)10 (2.1)
    Left main stem11 (1.9)7 (1.5)
    Proximal LAD121 (21.2)94 (19.6)
    Non-proximal LAD100 (17.5)93 (19.4)
    LCx73 (12.8)58 (12.1)
    RCA264 (46.2)218 (45.4)
Number of vessels attempted1.05 (0.25)1.05 (0.24)0.915
Number of lesions attempted1.13 (0.40)1.15 (0.38)0.320
Drug-eluting stents used, n (%)221 (39)189 (39)0.824
Number of stents used1.51 (0.99)1.40 (0.81)0.042
Duke score pre-procedure3.9 (2.4)4.0 (2.4)0.591
Flow in IRA pre-procedure, n (%)0.137
    TIMI 0408 (73)346 (73)
    TIMI 126 (5)38 (8)
    TIMI 258 (10)37 (8)
    TIMI 365 (12)49 (10)
Flow in IRA post-procedure, n (%)0.829
    TIMI 06 (1.1)9 (1.9)
    TIMI 14 (0.7)4 (0.8)
    TIMI 229 (5.2)27 (5.7)
    TIMI 3520 (92.7)433 (91.2)
Number of lesions success1.10 (0.40)1.11 (0.40)0.742
Intra-aortic balloon pump use, n (%)18 (3.2)29 (6.0)0.024
GP IIb-IIIa inhibitor use, n (%)527 (92.3)442 (92.1)0.899
Thrombus retrieval device used, n (%)129 (22.6)74 (15.4)0.004*
  • Data presented as mean (SD) unless otherwise indicated.

  • *Remains significant at p<0.05 level after Bonferroni correction for multiple comparisons.

  • GP, glycoprotein; IRA, infarct-related artery; LAD, left anterior descending; LCx, left circumflex; RCA, right coronary artery; TIMI, Thrombolysis in Myocardial Infarction.