Table 1 Characteristics of patients with or without angiography
From: Emergency angiography for trauma patients and potential association with acute kidney injury
| Â | Before matching | After matching | |||||||
|---|---|---|---|---|---|---|---|---|---|
Angiography | No angiography | p value | Standardized difference | Angiography | No angiography | Standardized difference | |||
Case | 14,180 | 216,596 | Â | Â | 12,724 | 12,724 | Â | ||
Age, years, median (IQR) | 59 (38–74) | 63 (43–78) | < 0.001 | 0.068 | 59 (38–74) | 58 (53–60) | 0.090 | ||
Mechanism of Injury, blunt, n (%) | 13614 (97.4%) | 199683 (96.1%) | <Â 0.001 | 0.075 | 12392 (97.4%) | 12196 (95.9%) | 0.085 | ||
Missing data | 202 (1.4%) | 8748 (4.0%) | Â | Â | Â | Â | Â | ||
Comorbidity, n (%) | |||||||||
Coronary artery diseases | 366 (2.6%) | 7882 (3.6%) | <Â 0.001 | 0.061 | 339 (2.7%) | 215 (1.7%) | 0.067 | ||
Heart failure | 145 (1.0%) | 4104 (1.9%) | <Â 0.001 | 0.073 | 132 (1.0%) | 65 (0.5%) | 0.060 | ||
Cerebrovascular diseases | 465 (3.3%) | 10844 (5.0%) | <Â 0.001 | 0.087 | 415 (3.3%) | 287 (2.3%) | 0.061 | ||
Diabetes | 1126 (7.9%) | 22660 (10.5%) | <Â 0.001 | 0.087 | 1019 (8.0%) | 985 (7.7%) | 0.010 | ||
Hypertension | 2511 (17.7%) | 51309 (23.7%) | <Â 0.001 | 0.148 | 2306 (18.1%) | 1896 (14.9%) | 0.087 | ||
CKD | 95 (0.7%) | 2906 (1.3%) | <Â 0.001 | 0.067 | 83 (0.7%) | 55 (0.4%) | 0.030 | ||
Vital signs on hospital arrival | |||||||||
BP - systolic, mmHg, median (IQR) | 118 (91–141) | 139 (120–160) | < 0.001 | 0.451 | 118 (92–142) | 119 (94–143) | 0.003 | ||
missing data | 162 (1.1%) | 3506 (1.6%) | Â | Â | Â | Â | Â | ||
GCS, median (IQR) | 14 (11–15) | 15 (14–15) | < 0.001 | 0.289 | 14 (12–15) | 14 (11–15) | 0.026 | ||
Missing data | 554 (3.9%) | 13903 (6.4%) | Â | Â | Â | Â | Â | ||
Injury severity | |||||||||
ISS, median (IQR) | 25 (16–35) | 10 (9–18) | < 0.001 | 0.913 | 25 (16–34) | 24 (16–34) | 0.056 | ||
Missing data | 290 (2.0%) | 6498 (3.0%) | Â | Â | Â | Â | Â | ||
AIS in abdomen, median (IQR) | 0 (0–3) | 0 (0–0) | < 0.001 | 0.891 | 0 (0–3) | 0 (0–2) | 0.067 | ||
AIS of kidney, median (IQR) | 0 (0–0) | 0 (0–0) | < 0.001 | 0.157 | 0 (0–0) | 0 (0–0) | 0.033 | ||
Compartment syndrome in extremity, n (%) | 85 (0.6%) | 500 (0.2%) | <Â 0.001 | 0.057 | 80 (0.6%) | 61 (0.5%) | 0.020 | ||
Treatment, n (%) | |||||||||
Laparotomy | 1102 (7.8%) | 5375 (2.5%) | <Â 0.001 | 0.242 | 1000 (7.9%) | 1236 (9.7%) | 0.066 | ||
Total Nephrectomy | 43 (0.3%) | 100 (0.0%) | 0.004 | 0.062 | 35 (0.3%) | 44 (0.3%) | 0.013 | ||
Partial nephrectomy | 2 (0.0%) | 7 (0.0%) | 0.102 | 0.012 | 2 (0.0%) | 1 (0.0%) | 0.007 | ||
Nephrorrhaphy | 7 (0.0%) | 27 (0.0%) | <Â 0.001 | 0.021 | 7 (0.1%) | 11 (0.1%) | 0.012 | ||
Thoracotomy | 360 (2.5%) | 1947 (0.9%) | <Â 0.001 | 0.126 | 325 (2.6%) | 418 (3.3%) | 0.043 | ||
RT | 184 (1.3%) | 1317 (0.6%) | <Â 0.001 | 0.071 | 161 (1.3%) | 200 (1.6%) | 0.026 | ||
REBOA | 565 (4.0%) | 697 (0.3%) | <Â 0.001 | 0.254 | 443 (3.5%) | 355 (2.8%) | 0.040 | ||
Vasopressors | 1356 (9.6%) | 5323 (2.5%) | <Â 0.001 | 0.302 | 1172 (9.2%) | 1173 (9.2%) | 0.000 | ||