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Table 3 Association of significant arrhythmia, premature complexes and no arrhythmias with clinical mediators responsible for ICU admission

From: Risk factors and clinical outcomes of arrhythmias in the medical intensive care unit

  All (n = 215) No arrhythmia (n = 109) Arrhythmiaa (n = 62) Premature complexesb (n = 44) p value
Acute respiratory failure, n (%) 108 (50.2) 47 (43.1) 37 (59.7) 24 (54.6) 0.093
Shock, n (%) 17 (7.9) 6 (5.5) 9 (14.5) 2 (4.6) 0.090
Acute Myocardial Ischemia, n (%) 45 (20.9) 19 (17.4) 16 (25.8) 10 (22.7) 0.410
Decompensated CHF, n (%) 30 (14.0) 11 (10.1) 7 (11.3) 12 (27.3) 0.016
Hyperglycemia, n (%) 86 (40.0) 45 (41.3) 25 (40.3) 16 (36.4) 0.852
Acute kidney injury, n (%) 91 (42.3) 35 (32.1) 36 (58.1) 20 (45.5) 0.004
Local infection, n (%) 101 (47.0) 45 (41.3) 34 (54.8) 22 (50.0) 0.210
Systemic infection, n (%) 60 (27.9) 25 (22.9) 25 (40.3) 10 (22.7) 0.036
Acute CNS event, n (%) 19 (8.8) 9 (8.3) 5 (8.1) 5 (11.4) 0.802
Gastrointestinal bleeding, n (%) 15 (7.0) 13 (11.9) 0 (0) 2 (4.6) 0.006
Acid/base disturbance, n (%) 40 (18.6) 21 (19.3) 11 (17.7) 8 (18.2) 0.967
Electrolyte imbalance, n (%) 32 (14.9) 16 (14.7) 7 (11.3) 9 (20.5) 0.425
Intoxication, n (%) 6 (2.8) 4 (3.7) 0 (0) 2 (4.6) 0.288
Mediators, n (%)      
0–2 84 (39.1) 50 (45.9) 19 (30.7) 15 (34.1) 0.054
3–4 92 (42.8) 47 (43.1) 28 (45.2) 17 (38.6)  
≥5 39 (18.1) 12 (11.0) 15 (24.2) 12 (27.3)  
  1. p values were computed chi-square test or Fisher’s exact test
  2. aPatients who presented supraventricular and/or ventricular arrhythmias
  3. bPatients who presented premature atrial contractions (PACs) and/or premature ventricular complexes (PVCs) but no arrhythmias