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Table 2 ECG location of STEMI, findings of coronary angiograms and results of primary percutaneous coronary interventions in all patients

From: Lower serum triglyceride level is a risk factor for in-hospital and late major adverse events in patients with ST-segment elevation myocardial infarction treated with primary percutaneous coronary intervention- a cohort study

  Lower-TG group High-TG group P
N 163 84  
ECG infarct area    
  Anterior (%) 87 (53.4) 51 ( 60.7 ) 0.334
  Inferior (%) 72 ( 44.2 ) 33 ( 39.3 ) 0.548
  True posterior (%) 2 ( 1.2 ) 2 ( 2.4 ) 0.607
  High lateral (%) 8 ( 4.9 ) 4 ( 4.8 ) 1.000
Severity of CAD    
Number of diseased vessels 1.8±0.8 1.8±0.8 0.906
  SVD (%) 76 ( 46.6 ) 37 ( 44.0 ) 0.802
  DVD (%) 50 ( 30.7 ) 30 ( 35.7 ) 0.501
  TVD (%) 37 ( 22.7 ) 17 ( 20.2 ) 0.779
  LM involvement (%) 7 ( 4.3 ) 1 ( 1.2 ) 0.271
  Treated ( culprit ) vessel    
  LM (%) 2 ( 1.2 ) 1 ( 1.2 ) 1.000
  LAD (%) 86 ( 52.8 ) 51 ( 60.7 ) 0.291
  LCx (%) 18 ( 11 ) 6 ( 7.1 ) 0.451
  RCA (%) 57 ( 35 ) 28 ( 33.3 ) 0.908
  Ramus medianus (%) 1 ( 0.6 ) 0 ( 0 ) 1.000
Door to balloon time, min 90.5±42.1 87.7±29 0.587
Interventions    
  Balloon angioplasty (%) 161 ( 98.8 ) 81 ( 96.4 ) 0.341
  Thrombectomy    
  Aspiration (%) 103 ( 63.2 ) 55 ( 65.5 ) 0.83
  Rheolytic (%) 3 ( 1.8 ) 2 ( 2.4 ) 1.000
  Stenting    
  Nil (%) 15 ( 9.2 ) 10 ( 11.9 ) 0.657
  DES (%) 37 ( 22.7 ) 21 ( 25.0 ) 0.806
  BMS (%) 108 ( 66.3 ) 52 ( 61.9 ) 0.591
  DES+BMS (%) 3 ( 1.8 ) 1 ( 1.2 ) 1.000
  Final TIMI flow    
  Grade 3 (%) 153 ( 93.9 ) 82 ( 97.6 ) 0.231
  Grade 2 (%) 10 ( 6.1 ) 2 ( 2.4 ) 0.231
  Grade 1/0 (%) 0 ( 0 ) 0 ( 0 ) 0
In-hospital outcome    
  LVEF, % 43.8±10.9 46.9±9.5 0.031
  Cardiac markers    
  Peak CK, mg/dl 2683.3±2451.8 2735.1±2676.8 0.897
  Complications    
  New cardiogenic shock (%) 21 ( 12.9 ) 6 ( 7.1 ) 0.248
  Respiratory failure (%) 30 ( 18.4 ) 8 ( 9.5 ) 0.100
  Ventricular arrhythmia (%) 25 ( 15.3 ) 8 ( 9.5 ) 0.282
  New atrial fibrillation (%) 16 ( 9.8 ) 3 ( 3.6 ) 0.142
  Emergency CABG (%) 0 ( 0 ) 2 ( 2.4 ) 0.115
  In hospital Death* (%) 6 ( 3.7 ) 0 ( 0 ) 0.098
  1. *All were related with refractory heart failure, with 5 of them experiencing ventricular arrhythmia before death. BMS, bare-metal stent; CABG, coronary artery bypass grafting surgery; CAD, coronary artery disease; CK, creatinine kinase; DES, drug-eluting stent; DVD, double vessel disease; LAD, left anterior descending artery; LCx, left circumflex artery; LM, left main coronary artery; RCA, right coronary artery; SVD, single vessel disease; TIMI, thrombolysis in myocardial infarction; TVD, triple vessel disease.