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Table 2 Myocardial infarction presentation according to study group

From: Outcomes in ST-segment elevation myocardial infarction treated with primary percutaneous coronary intervention or pharmacoinvasive strategy in a Latin American country

Characteristic PIs group
n (%)
PPCI group
n (%)
p
Symptoms    
 Typical angina 95 (98.9) 72 (94.7) 0.102
 Atypical chest pain 1 (1.04) 3 (3.9) 0.322
 Dyspnea 18 (18.8) 15 (19.7) 0.870
 Syncope 3 (3.1) 3 (3.9) 1.000
 Cardiac arrest 1 (1.04) 4 (5.2) 0.102
Electrocardiogram on admission    
 Atrial fibrillation 3 (3.1) 1 (1.3) 0.06
 High-grade atrioventricular block 1 (1.1) 6 (7.9) 0.06
Localization of infarction    
 Anterior 63 (65.6) 43 (56.6) 0.374
 Inferior 34 (33.0) 33 (43.4) 0.441
 Lateral 1 (1.4) 0.295
KK classification on admission    
 KK I 68 (70.8) 49 (64.5) 0.211
 KK IV 3 (3.1) 4 (5.3) 0.390
  1. KK Killip–Kimball, PPCI primary percutaneous coronary intervention, PIs pharmacoinvasive strategy