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Table 1 Patient clinical characteristics

From: Elevated troponin and myocardial infarction in the intensive care unit: a prospective study

  Total (n = 115) MI (n = 24) No MI (n = 91) P value
Age (years; mean ± SD) 64.1 ± 17.2 62.8 ± 18.3 64.4 ± 17.0 0.69
Sex (n; % female) 61 (53.0) 13 (54.2) 48 (52.7) 1.00
APACHE II score (mean ± SD) 21.9 ± 9.8 26.3 ± 10.4 20.7 ± 9.3 0.01
Medical (n [%]) 83 (72.2) 20 (83.3) 63 (69.2) 0.21
Epidural (n [%]) 12 (10.4) 0 (0.0) 12 (13.2) 0.07
Past medical history (n [%])     
   Smoker 35 (30.4) 5 (20.8) 30 (33.0) 0.32
   Hypertension 59 (51.3) 14 (58.3) 45 (49.5) 0.50
   Diabetes (oral agent) 9 (7.8) 3 (12.5) 6 (6.6) 0.39
   Diabetes (insulin) 17 (14.8) 10 (41.7) 7 (7.7) <0.001
   Hypercholesterolemia 14 (12.2) 2 (8.3) 12 (13.2) 0.73
   Angina 15 (13.0) 3 (12.5) 12 (13.2) 1.00
   Myocardial infarction 25 (21.7) 9 (37.5) 16 (17.6) 0.05
   Congestive heart failure 14 (12.2) 5 (20.8) 9 (9.9) 0.17
   Peripheral vascular disease 10 (8.7) 7 (29.2) 3 (3.3) <0.001
   Transient ischemic attack 4 (3.5) 2 (8.3) 2 (2.2) 0.19
   Stroke 8 (7.0) 3 (12.5) 5 (5.5) 0.36
Baseline life support interventions (n [%])     
   Ventilation     
Invasive mechanical ventilation 67 (58.3) 16 (66.7) 51 (56.0) 0.49
Noninvasive mechanical ventilation 5 (4.3) 2 (8.3) 3 (3.3) 0.28
   Inotropes and vasopressors     
Epinephrine 2 (1.7) 1 (4.2) 1 (1.1) 0.38
Dopamine 10 (8.7) 3 (12.5) 7 (7.7) 0.43
Norepinephrine 19 (16.5) 5 (20.8) 14 (15.4) 0.54
Dobutamine 4 (3.5) 2 (8.3) 2 (2.2) 0.19
Phenylephrine 18 (15.7) 9 (37.5) 9 (9.9) 0.003
Vasopressin 5 (4.3) 3 (12.5) 2 (2.2) 0.06
   Hemodialysis     
Intermittent dialysis 14 (12.2) 4 (16.7) 10 (11.0) 0.49
Continuous renal replacement therapy 0 (0.0) 0 (0.0) 0 (0.0) -
  1. APACHE, Acute Physiology and Chronic Health Evaluation; MI, myocardial infarction; SD, standard deviation.