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.
Total
Died
value
N = 1782
No (N = 1215)
Yes (N = 567)
Systolic blood pressure
≤90
242 (13.6%)
147 (12.4%)
95 (17.2%)
0.007
≥91
1497 (84.0%)
1040 (87.6%)
457 (82.8%)
Not known/Not recorded
43 (2.4%)
Systolic blood pressure (mmHg)
128.39 ± 35.522
129.05 ± 34.425
126.98 ± 37.769
0.262
Pulse rate (Beats/minute)
97.46 ± 25.52
98.27 ± 25.30
95.70 ± 25.90
0.093
Respiratory rate (Breaths/minute)
20.31 ± 6.58
20.25 ± 6.55
20.45 ± 6.63
0.960
Pulse oximetry (% saturation)
95.48 ± 7.82
95.46 ± 8.13
95.52 ± 7.09
0.659
Trauma type
Blunt
1479 (83.0%)
995 (82.5%)
484 (85.8%)
<0.001
Penetrating
222 (12.5%)
173 (14.3%)
49 (8.7%)
Burn
69 (3.9%)
38 (3.2%)
31 (5.5%)
Not known/Not recorded
12 (0.7%)
Mechanism of injury
Fall
693 (38.9%)
453 (37.6%)
240 (43.1%)
0.011
Firearm
182 (10.2%)
142 (11.8%)
40 (7.2%)
MVT
636 (35.7%)
433 (36.0%)
203 (36.4%)
Other2
250 (14.0%)
176 (14.6%)
74 (13.3%)
Not known/Not recorded
21 (1.2%)
Nature of injury
Fracture
691 (38.8%)
478 (39.6%)
213 (37.8%)
0.922
Internal organ injury
695 (39.0%)
468 (38.8%)
227 (40.2%)
Open wound
129 (7.2%)
90 (7.5%)
39 (6.9%)
Superficial and contusion
102 (5.7%)
68 (5.6%)
34 (6.0%)
Other3
154 (8.6%)
103 (8.5%)
51 (9.0%)
Not known/Not recorded
11 (0.6%)
Body region
Extremities
428 (24.0%)
291 (24.1%)
137 (24.3%)
0.424
Head and neck
551 (30.9%)
367 (30.4%)
184 (32.6%)
Spine and back
173 (9.7%)
119 (9.9%)
54 (9.6%)
Torso
576 (32.3%)
405 (33.6%)
171 (30.3%)
Unclassifiable by body region & unspecified
43 (2.4%)
25 (2.1%)
18 (3.2%)
Not known/Not recorded
11 (0.6%)
Signs of life
Arrived with no signs of life
9 (0.5%)
4 (0.3%)
5 (0.9%)
0.154
Arrived with signs of life
1773 (99.5%)
1211 (99.7%)
562 (99.1%)
ISS
≤15
759 (42.6%)
531 (43.7%)
228 (40.4%)
0.179
≥16
1020 (57.2%)
683 (56.3%)
337 (59.6%)
Not known/Not recorded
3 (0.2%)
GCS
Severe ≤8
331 (18.6%)
207 (18.0%)
124 (22.5%)
0.047
Moderate 9–12
126 (7.1%)
81 (7.0%)
45 (8.2%)
Mild 13–15
1244 (69.8%)
862 (75.0%)
382 (69.3%)
Not known/Not recorded
81 (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.