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Table 3 The important results of the 2 subgroups (A1) and (A2)

From: Fragmented QRS complex frequency and location as predictor of cardiogenic shock and mortality following acute coronary syndrome

  Subgroup (A1) > 3fQRS Subgroup (A2) ≤ 3f-QRS P value
SBP, mmHg 111.33 ± 25.03 139 ± 38.89 0.016
Heart rate, bpm 93.81 ± 19.13 80.77 ± 14.91 0.014
Abnormal cardiac biomarkers 13/16 28/30 0.325
Killip (IV) 3/16 1/30 0.114
In-hospital death 5/16 1/30 0.015
Updated GRACE score 6.81 ± 12 3.22 ± 6.95 0.048
LVEF (%) 48.08 ± 13.07 56.14 ± 10.92 0.049
  1. LVEF left ventricle ejection fraction; SBP systolic blood pressure