Table 4 Univariate analysis of factors and outcomes related to the diagnostic accuracy of initial CT
Not diagnosed by initial CT (n = 19) | Diagnosed by initial CT (n = 22) | p | |
|---|---|---|---|
Location of infection* | 0.962 | ||
Thoracic aorta | 6/19 (31.6%) | 6/23 (26.1%) | |
Thoracoabdominal aorta | 3/19 (15.8%) | 3/23 (13.0%) | |
Abdominal aorta | 7/19 (36.8%) | 8/23 (34.8%) | |
Iliac artery | 2/19 (10.5%) | 3/23 (13.0%) | |
Others | 1/19 (5.3%) | 3/23 (13.0%) | |
Pathogen** | 0.577 | ||
GPC | 9/20 (45.0%) | 9/22 (40.9%) | |
GNR | 7/20 (35.0%) | 6/22 (27.3%) | |
Others | 2/20 (10.0%) | 1/22 (4.5%) | |
Undetected | 2/20 (10.0%) | 6/22 (27.3%) | |
Type of initial CT | 0.042 | ||
Plain | 13/19 (68.4%) | 8/22 (36.4%) | |
Contrast-enhanced | 3/19 (15.8%) | 12/22 (54.5%) | |
Unknown | 3/19 (15.8%) | 2/22 (9.1%) | |
Days from onset to initial CT, median (IQR) | 6 (2–9) | 7.5 (2.3–22.3) | 0.254 |
Days from onset to diagnosis, median (IQR) | 21 (9–32.5) | 7.5 (2.3–22.3) | 0.051 |
In-hospital mortality | 1/19 (5.3%) | 2/22 (9.1%) | |