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Table 2 Clinical characteristics of the patients who underwent angioplasty from March 2009 to March 2012 in Hamadan (west of Iran)

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

Variable N % Restricted mean ± SE Median P value*
All 220 100    
Age (years) 60.00 ± 11.09     
Sex      0.903
 Female 69 31.4 95.01 ± 3.96 104.00  
 Male 151 68.6 96.66 ± 2.78 108.00  
Smoking      < 0.001
 No 63 28.6 102.19 ± 2.52 112.00  
 Yes 157 71.4 81.25 ± 4.19 93.00  
Diabetes      < 0.001
 No 40 18.2 101.74 ± 2.41 114.00  
 Yes 180 81.8 73.73 ± 2.85 82.00  
Hypertension      0.029
 No 86 39.1 100.38 ± 2.95 114.00  
 Yes 134 60.9 90.74 ± 3.45 102.00  
Hyperlipidemia      0.089
 No 56 25.5 97.98 ± 2.71 109.00  
 Yes 164 74.5 91.33 ± 4.17 96.00  
Stent length      0.006
 ≤ 20 mm 141 64.1 98.36 ± 2.64 -  
 > 20 mm 79 35.9 89.79 ± 3.69 102.00  
Stent diameter      0.992
 3 mm 111 50.5 96.41 ± 3.15 108.00  
 3.5 mm 87 39.5 96.15 ± 3.53 108.00  
 4 mm 22 10 89.68 ± 6.68 103.00  
Number of vessels      0.199
 1 120 54.5 98.94 ± 3.09 108.00  
 2 69 31.4 93.02 ± 3.83 103.00  
 3 30 13.6 86.57 ± 4.91 86.00  
Type of stent      0.752
 BMS 142 64.5 94.95 ± 3.61 103.00  
 DES 78 35.5 96.92 ± 2.907 109.00  
Number of stents      0.052
 1 152 69.1 95.85 ± 2.68 108.00  
 2 56 25.5 98.87 ± 4.52 108.00  
 3 12 5.5 81.75 ± 5.80 82.00  
PCI      0.548
 Ad hoc 112 50.9 97.62 ± 3.28 112.00  
 Elective 108 49.1 92.34 ± 2.74 104.00  
Setting      0.26
 ACS 144 65.5 95.09 ± 2.86 105.00  
 CSA 76 34.5 97.11 ± 3.58 114.00  
  1. *Estimation is limited to the longest survival time if it is censored
  2. **Based on the Log rank Test