Table 2.

Multiple Logistic Regression Model for All Femoral-Only Procedures

VariableOdds Ratio (95% CI)P Value
Female1.17 (1.10–1.25)<0.001
Age, per 10 y<0.001*
 First order0.80 (0.64–1.01)0.060
 Second order1.06 (1.04–1.07)<0.001
Indication (vs elective)1<0.001*
 UA/NSTEMI3.36 (2.99–3.78)<0.001
 STEMI8.89 (7.85–10.06)<0.001
Shock3.96 (3.61–4.34)<0.001
Ventilated4.58 (4.13–5.09)<0.001
IABP support1.86 (1.69–2.06)<0.001
CP support2.82 (2.03–3.92)<0.001
Inotropic support1.75 (1.53–1.99)<0.001
LVEF
 vs Good, >50%1<0.001*
 vs Moderate, 30% to 50%1.85 (1.69–2.03)<0.001
 vs Poor, <30%4.12 (3.68–4.62)<0.001
MI history0.94 (0.88–1.02)0.124
CABG history0.87 (0.79–0.97)0.009
Stroke history1.71 (1.53–1.92)<0.001
Valvular heart disease1.04 (1.02–1.06)<0.001
Peripheral vascular disease1.46 (1.19–1.79)<0.001
Hypertension0.96 (0.89–1.02)0.199
High-cholesterol0.84 (0.79–0.90)<0.001
Diabetes mellitus1.50 (1.39–1.62)<0.001
Renal function (vs normal)1<0.001*
 High creatinine1.97 (1.72–2.26)<0.001
 Dialysis2.19 (1.84–2.61)<0.001
Smoking (vs nonsmoker)10.105*
 Ex-smoker0.92 (0.85–1.00)0.044
 Current smoker0.93 (0.84–1.02)0.125
GP IIb/IIIa inhibitors1.07 (1.00–1.15)0.053
Antiplatelets (vs clopidogrel)10.893*
 Prasugrel1.36 (1.21–1.53)<0.001
 Ticagrelor0.98 (0.85–1.14)0.828
 Ticlopidine1.03 (0.84–1.27)0.767
Warfarin0.80 (0.42–1.51)0.489
Bivalirudin (vs heparin only)0.83 (0.61–1.14)0.251
Stent type (vs no stent)1<0.001*
 BMS only0.59 (0.54–0.65)<0.001
 DES only0.42 (0.38–0.46)<0.001
 BMS and DES0.61 (0.51–0.73)<0.001
Multivessel PCI1.28 (1.17–1.40)<0.001
Left-main stem PCI1.33 (1.19–1.48)<0.001
Years since 20070.99 (0.86–1.14)0.882
RTV per 100 procedures1.01 (1.00–1.02)0.194
Recent femoral experience0.320*
 RFP per 10% increase0.99 (0.97–1.02)0.472
 RFV per 100 procedures1.00 (0.98–1.01)0.869
  • n=230 755; mortality rate=2.8%. BMS indicates bare-metal stent; CABG, coronary artery bypass graft; CI, confidence interval; CP, cardiopulmonary; DES, drug-eluting stent; GP IIb/IIIa, glycoprotein IIb/IIIa inhibitors; IABP, intra-aortic balloon pump; LVEF, left ventricular ejection fraction; MI, myocardial infarction; NSTEMI, non–ST-segment–elevation myocardial infarction; PCI, percutaneous coronary intervention; RFP, recent femoral proportion; RFV, recent femoral volume; RTV, recent total volume; STEMI, ST-segment–elevation myocardial infarction; and UA, unstable angina.

  • * Likelihood ratio test for variable inclusion.