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Table 1 Demographic data and management of patients with electrical injuries

From: Use of troponin assay after electrical injuries: a 15-year multicentre retrospective cohort in emergency departments

  All patients (n = 785) Adults (n = 663) Children (n = 122)
Demographic characteristics    
Male sex—no. (%) 592/785 (75.4) 511/663 (77.1) 81/122 (66.4)
Age—year, median (IQR)a 30 (21–39) 31 (25–42) 5 (2–9)
Medical historyno. (%)    
Cardiovascular risks factors ( 1) 68/629 (10.8) 68/545 (12.5) 0/84
Diabetes 10/629 (1.6) 10/545 (1.8)
Dyslipidaemia 20/629 (3.2) 20/545 (3.7)
Smoking 34/629 (5.4) 34/545 (6.2)
Hypertension 15/629 (2.4) 15/545 (2.8)
Overweight 7/629 (1.1) 7/545 (1.3)
Family history 1/629 (0.2) 1/545 (0.2)
Cardiac history 25/768 (3.3) 23/649 (3.6) 2/119 (1.7)
Coronaropathy 13/768 (1.7) 13/649 (2.0) 0
Heart arrhythmia 9/768 (1.2) 8/649 (1.2) 1/119 (0.8)
Valvulopathy 3/768 (0.4) 3/649 (0.5) 0
Other (interventricular communication, …) 6/768 (0.8) 5/649 (0.8) 1/119 (0.8)
Type of electrical Injuryno. (%)    
Trauma context    
Workplace 254/559 (45.4) 254/464 (54.7) 0
Domestic accident 301/559 (53.8) 232/464 (50.0) 69/95 (100)
Suicide attempt 4/559 (0.7) 4/464 (0.9) 0
High voltage (> 1000Volts)—no. (%) 55/568 (9.7) 53/493 (10.8) 2/75 (2.7)
Transthoracic current—no. (%) 273/459 (59.5) 238/395 (60.3) 35/64 (54.7)
Symptomsno. (%)    
Asymptomatica 234/785 (29.8) 203/663 (30.6) 31/122 (25.4)
Initial loss of consciousness 38/754 (5.0) 35/636 (5.5) 3/118 (2.5)
Burns 99/756 (13.1) 76/636 (11.9) 23/120 (19.2)
Second and third degree 52/756 (6.9) 35/636 (5.5) 17/120 (14.2)
TBSA 1% (second and third degree) 44/728 (6.0) 28/619 (4.5) 16/109 (14.2)
Chest pain 80/744 (10.8) 77/625 (12.3) 3/119 (14.7)
Headache and/or vertigo 40/744 (5.4) 37/625 (5.9) 3/119 (14.7)
Numbness of extremities 69/744 (9.3) 63/625 (10.1) 6/119 (5.0)
Association with traumatic injury 95/744 (12.8) 88/625 (14.1) 7/119 (5.9)
Initial HR—bpm*d 80 ± 20.1 78 ± 17.3 103 ± 22.7
Initial systolic blood pressure—mmHg 130 ± 17.3 131 ± 16.3 110 ± 12.3
Initial diastolic blood pressure—mmHg 79 ± 11.6 80 ± 11 69 ± 11.8
Management    
ECG on admission 756/785 (96.3) 641/663 (96.7) 115/122 (94.3)
Abnormal ECG 99/756 (13.1) 91/641 (14.2) 8/115 (7.0)
Troponin assay 533/785 (67.9) 465/663 (70.1) 68/122 (55.7)
Elevated initial troponin 17/533 (3.2) 16/465 (3.4) 1/68 (1.5)
Second troponin assay 197/533 (37.0) 183/465 (39.4) 14/68 (20.6)
Troponin rise 8/533 (1.5) 8/465 (1.7) 0/68 (0)
Delay of the second assay—hs, median (IQR)b 6 (4–11) 6 (4–11) 6 (4–12)
Type of monitoring    
Scope < 6 h 41/559 (7.3) 38/489 (7.8) 3/70 (4.3)
Scope > 6 h and < 24 h 125/559 (22.4) 106/489 (21.7) 19/70 (27.1)
Scope > 24 h 27/559 (4.8) 26/489 (5.3) 1/70 (1.4)
ECG each 6 h without scope 14/559 (2.5) 13/489 (2.7) 1/70 (1.4)
ECG > 6 h without scope 33/559 (5.9) 28/489 (5.7) 5/70 (7.1)
Length of monitoring—hours, mean (SD)c 15.5 ± 23 13.5 ± 23 24 ± 19
Hospitalisation 420/715 (58.7) 333/614 (54.2) 87/101 (86.1)
Intensive care unit 103/715 (14.4) 95/614 (15.5) 8/101 (7.9)
Short term hospitalisation unit 182/715 (25.5) 176/614 (28.7) 7/101 (6.9)
Conventional medical service 65/715 (9.1) 36/614 (5.9) 28/101 (27.7)
Discharge from the ED 365/715 (51.0) 330/614 (53.7) 35/101 (34.7)
  1. IQR interquartile range, TBSA total body surface area, HR heart rate—beats per minute
  2. aNo missing data
  3. bMissing data (n = 53)
  4. cMissing data (n = 226)
  5. dMissing data (n = 129)