Table 4. Cox Regression Analysis of Risk of Major Amputation or Death
Variables at BaselineHazard Ratio95% CIP Value
Univariate analysis
Treatment with DES0.670.45–0.990.045
Multivariate analysis
Treatment with DES0.590.39–0.890.012
Diabetes mellitus1.120.72–1.760.62
Impaired renal functiona1.270.70–2.330.44
Coronary disease1.150.74–1.800.53
Current smoker1.821.05–3.140.032
Former smoker1.480.86–2.550.16
Rutherford category1.511.05–2.180.026
Number of treated lesions0.800.60–1.060.13
Low ABI (<0.7)0.890.55–1.440.63
High ABI (>1.4/unmeasurable)3.381.71–6.68<0.001
  • 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.