Research Article

The Risk Factors for Mortality among Septic Trauma Patients: A Retrospective Cohort Study Using the National Trauma Data Bank

Table 2

Table showing the baseline vital signs, trauma characteristics, and state of presentation of trauma patients who developed sepsis during their hospital stay.

TotalDied value
N = 1782No (N = 1215)Yes (N = 567)

Systolic blood pressure
 ≤90242 (13.6%)147 (12.4%)95 (17.2%)0.007
 ≥911497 (84.0%)1040 (87.6%)457 (82.8%)
 Not known/Not recorded43 (2.4%)
Systolic blood pressure (mmHg)128.39 ± 35.522129.05 ± 34.425126.98 ± 37.7690.262
Pulse rate (Beats/minute)97.46 ± 25.5298.27 ± 25.3095.70 ± 25.900.093
Respiratory rate (Breaths/minute)20.31 ± 6.5820.25 ± 6.5520.45 ± 6.630.960
Pulse oximetry (% saturation)95.48 ± 7.8295.46 ± 8.1395.52 ± 7.090.659
Trauma type
 Blunt1479 (83.0%)995 (82.5%)484 (85.8%)<0.001
 Penetrating222 (12.5%)173 (14.3%)49 (8.7%)
 Burn69 (3.9%)38 (3.2%)31 (5.5%)
 Not known/Not recorded12 (0.7%)
Mechanism of injury
 Fall693 (38.9%)453 (37.6%)240 (43.1%)0.011
 Firearm182 (10.2%)142 (11.8%)40 (7.2%)
 MVT636 (35.7%)433 (36.0%)203 (36.4%)
 Other2250 (14.0%)176 (14.6%)74 (13.3%)
 Not known/Not recorded21 (1.2%)
Nature of injury
 Fracture691 (38.8%)478 (39.6%)213 (37.8%)0.922
 Internal organ injury695 (39.0%)468 (38.8%)227 (40.2%)
 Open wound129 (7.2%)90 (7.5%)39 (6.9%)
 Superficial and contusion102 (5.7%)68 (5.6%)34 (6.0%)
 Other3154 (8.6%)103 (8.5%)51 (9.0%)
 Not known/Not recorded11 (0.6%)
Body region
 Extremities428 (24.0%)291 (24.1%)137 (24.3%)0.424
 Head and neck551 (30.9%)367 (30.4%)184 (32.6%)
 Spine and back173 (9.7%)119 (9.9%)54 (9.6%)
 Torso576 (32.3%)405 (33.6%)171 (30.3%)
 Unclassifiable by body region & unspecified43 (2.4%)25 (2.1%)18 (3.2%)
 Not known/Not recorded11 (0.6%)
Signs of life
 Arrived with no signs of life9 (0.5%)4 (0.3%)5 (0.9%)0.154
 Arrived with signs of life1773 (99.5%)1211 (99.7%)562 (99.1%)
ISS
 ≤15759 (42.6%)531 (43.7%)228 (40.4%)0.179
 ≥161020 (57.2%)683 (56.3%)337 (59.6%)
 Not known/Not recorded3 (0.2%)
GCS
 Severe ≤8331 (18.6%)207 (18.0%)124 (22.5%)0.047
 Moderate 9–12126 (7.1%)81 (7.0%)45 (8.2%)
 Mild 13–151244 (69.8%)862 (75.0%)382 (69.3%)
 Not known/Not recorded81 (4.5%)

3Other nature of injury includes: Amputation & Blood vessel & Burns and corrosions & Crushing & Dislocation & Other effects of external causes & Other specified injury & Toxic effects & Unspecified injury. Indicates that Fisher’s exact was used to calculate the value. Indicates that the Mann–Whitney test was used to calculate the value.