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Table 4 VIMP of random survival forest model

From: Risk factors associated with major adverse cardiac and cerebrovascular events following percutaneous coronary intervention: a 10-year follow-up comparing random survival forest and Cox proportional-hazards model

  Importance Relative importance
Diabetes 0.044 1
Smoking 0.031 0.717
Age 0.023 0.518
Stent length 0.015 0.338
Setting 0.003 0.068
Hyperlipidemia 0.001 0.032
Number of stents − 0.001 − 0.023
Sex − 0.001 − 0.028
PCI − 0.0008 − 0.018
Type of stent − 0.0007 − 0.014
Stent diameter − 0.002 − 0.051
Number of vessels − 0.003 − 0.073
Hypertension − 0.003 − 0.081