Table 5. Cox Regression Analysis of Risk of Event
Variables at BaselineHazard Ratio95% CIP Value
Univariate analysis
Treatment with DES0.670.46–0.990.043
Multivariate analysis
Treatment with DES0.620.42–0.920.019
Diabetes mellitus1.140.74–1.760.53
Impaired renal functiona1.060.59–1.920.85
Coronary disease1.330.87–2.050.19
Former smoker1.210.71–2.050.48
Current smoker1.580.93–2.710.09
Rutherford category1.390.97–1.990.08
Number of treated lesions0.810.62–1.060.13
Low ABI (<0.7)0.950.59–1.500.81
High ABI (>1.4/unmeasurable)2.881.50–5.530.001
  • ABI indicates ankle‐brachial index; DES, drug‐eluting stent.

  • a Impaired renal function defined as estimated glomerular filtration rate <30 mL/min/1.73 m2.