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Table 1 Characteristics of patients according to serum glucose levels at the time of hospital admission for an acute myocardial infarction

From: Hyperglycemia and risk of ventricular tachycardia among patients hospitalized with acute myocardial infarction

Characteristics < 140 mg/dl (n = 1949) ≥ 140 mg/dl (n = 2191) p-value
Age (median [IQR], years) 69 [57–81] 74 [63–82] < 0.001
Age (%) < 0.001
 < 55 20.7 11.9  
 55–64 20.4 16.3  
 65–74 20.2 23.9  
 ≥ 75 38.8 48.0  
Men (%) 62.0 54.4 < 0.001
White (%) 93.0 92.5 0.58
Medical history (%)
 Coronary artery disease 32.6 42.9 < 0.001
 Chronic lung disease 15.6 19.2 0.002
 Chronic kidney disease 16.5 24.3 < 0.001
 Diabetes 16.3 53.7 < 0.001
 Heart failure 17.1 28.1 < 0.001
 Hypertension 70.3 79.6 < 0.001
 Hypercholesterolemia 61.8 62.6 0.59
 Stable angina 13.9 15.3 0.23
 Stroke/transient ischemic attack 12.2 16.0 < 0.001
Findings at admission
 Pulse (median [IQR], beat/min) 78 [67–92] 88 [74–104] < 0.001
 Systolic blood pressure (median [IQR], mmHg) 141 [122–161] 140 [119–161] 0.18
 Troponin I (median [IQR], ng/ml) 0.51 [0.10–3.50] 0.50 [0.10–3.70] 0.72
 Potassium (median [IQR], mmol/l) 4.1 [3.8–4.5] 4.2 [3.9–4.7] < 0.001
 Calcium (median [IQR], mg/dl) 9.1 [8.7–9.5] 9.0 [8.7–9.4] 0.002
 WBCC (median [IQR], 109 cell/l) 8.9 [7.2–11.2] 10.4 [7.9–13.4] < 0.001
ST segment elevation 29.8 31.8 0.16
In hospital complications (%)
 Acute kidney injury 10.4 19.3 < 0.001
 Atrial fibrillation 16.7 22.1 < 0.001
 Cardiogenic shock 2.4 6.5 < 0.001
 Heart failure 25.9 45.5 < 0.001
Treatment during hospitalization (%)
 Aspirin 94.4 91.6 < 0.001
 ACE-I/ARBs 67.7 73.3 < 0.001
 Antiarrhythmic agents 14.6 18.9 < 0.001
 Beta blockers 92.3 90.9 0.10
 Lipid lowering agents 77.2 74.1 0.018
 Thrombolytic therapy 2.3 2.4 0.74
 Percutaneous coronary intervention 51.6 42.0 < 0.001
 CABG 7.1 6.9 0.80
Length of stay (median [IQR], days) 4 [2–6] 4 [3–7] < 0.001
  1. Italic values indicate significance of p value (p < 0.05)
  2. IQR interquartile range, WBCC white blood cell count, ACE-I/ARBs angiotensin converting enzyme inhibitor/angiotensin II receptor blockers, CABG coronary artery bypass graft surgery
  3. p-value from Chi square test and Fisher’s exact test for categorical variables and Wilcoxon rank-sum test for continuous variables