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
Age1.041.02–1.07<0.001
Diabetes mellitus1.140.74–1.760.53
Impaired renal functiona1.060.59–1.920.85
Stroke1.530.90–2.580.12
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.