Changes and significance of serum troponin in trauma patients: A retrospective study in a level I trauma center

Li-wen Dou, Zhe Du, Ji-hong Zhu, Tian-bing Wang

Table 1 Baseline characteristics of patients with trauma

Parameters Elevated TnI group (n=69) Normal TnI group (n=97) Statistics P Age, years 47.59±19.12 50.33±15.08 6.55 0.325 Male, n (%) 58 (84.04) 65 (67.01) 6.10 0.010 Injury Severity Score 31.62±14.55 19.16±8.26 25.26 0.000 Injury type, n (%) Traumatic brain injury 30 (43.47) 37 (38.14) 0.48 0.298 Traumatic chest injury 49 (71.01) 50 (51.54) 6.34 0.009 Traumatic abdominal injury 26 (37.68) 23 (23.71) 3.46 0.046 Traumatic bone injury 52 (75.36) 56 (57.73) 4.78 0.021 Heart rate, beats/minute 98.94±25.43 82.40±15.30 27.80 0.000 Systolic blood pressure, mmHg 115.43±32.51 129.85±20.67 21.10 0.001 Hemoglobin, g/L 115.94±29.48 131.13±21.06 11.76 0.000 Creatinine, µmol/L 96.54±42.02 70.53±31.89 10.88 0.000 Lactic acid, mmol/L 3.56±2.96 1.49±0.98 43.61 0.000 Troponin, ng/mL 0.57±1.34 0.01±0.01 28.13 0.000 Creatine kinase-myocardial band, ng/mL 30.13±35.55 10.19±21.615 26.75 0.000 Myoglobin, ng/mL 1,196.30±1,289.60 269.38±321.65 97.38 0.000 ST-T changes, n 7 10 0.00 0.984 Right bundle branch block, n 2 5 0.50 0.478 QT interval prolongation, n 2 2 0.13 0.723 Supraventricular tachycardia, n 3 0 4.35 0.069 Atrial fibrillation, n 2 1 0.81 0.760 Sinus bradycardia, n 7 6 0.92 0.337 Sinus tachycardia, n 18 8 11.97 0.001 Premature beats, n 3 3 0.19 0.989 Valve regurgitation, n 13 10 0.08 0.776 Ventricular wall motion abnormalities, ventricular enlargement, n 2 0 1.43 0.510 Pericardial effusion, n 1 0 0.71 0.401 Hospitalization, days 23.39±26.08 13.15±8.54 18.84 0.000 Intensive care duration, days 20.70±26.06 7.89±6.83 20.11 0.000 Ventilator use time, hours 222.78±319.92 42.15±125.50 26.01 0.000 In-hospital mortality, n (%) 10 (14.49) 0 (0) 14.81 0.000