Table 1. Patient data stratified by aneurysm-related mortality: comparison between groups by Chi-square test, Fisher’s exact test, and Mann-Whitney test.
| All | Aneurysm-related mortality | Surgical | Aneurysm-related mortality | |||||
| patients | No | Yes | p | patients | No | Yes | p | |
| Case number | 109 | 75 | 34 | 85 | 67 | 18 | ||
| Median age in years (IQR) | 72 (61-80) | 70 (59-76) | 78.5 (69-83) | 0.001 | 71 (61-78) | 69 (60-76) | 78 (68-83) | 0.04 |
| Male gender | 87 (80%) | 57 (76%) | 30 (88%) | 0.2 | 67 (79%) | 51 (76%) | 16 (89%) | 0.24 |
| Co-morbidities | ||||||||
| Diabetes mellitus | 25 (23%) | 17 (23%) | 8 (24%) | 0.92 | 18 (21%) | 15 (22%) | 3 (17%) | 0.6 |
| Hypertension | 45 (41%) | 28 (37%) | 17 (50%) | 0.21 | 35 (41%) | 25 (37%) | 10 (56%) | 0.16 |
| Cerebrovascular disease | 16 (15%) | 10 (13%) | 6 (18%) | 0.56 | 13 (15%) | 9 (13%) | 4 (22%) | 0.46 |
| Chronic lung disease | 11 (10%) | 4 (5%) | 7 (21%) | 0.03 | 9 (11%) | 4 (6%) | 5 (28%) | 0.02 |
| Chronic renal insufficiency | 20 (18%) | 11 (15%) | 9 (27%) | 0.14 | 15 (18%) | 9 (13%) | 6 (33%) | 0.05 |
| Immunodeficiency | 17 (16%) | 12 (16%) | 5 (15%) | 1 | 12 (14%) | 10 (15%) | 2 (11%) | 1 |
| Clinical presentation | ||||||||
| Fever | 92 (84%) | 65 (87%) | 27 (79%) | 0.33 | 72 (85%) | 57 (85%) | 15 (83%) | 1 |
| Pain | 69 (63%) | 50 (67%) | 19 (56%) | 0.28 | 58 (68%) | 46 (69%) | 12 (67%) | 0.87 |
| Pathogen* | ||||||||
| Staphylococcus aureus | 16 (16%) | 8 (11%) | 8 (27%) | 0.08 | 11 (14%) | 8 (13%) | 3 (18%) | 0.69 |
| Non-typhoid Salmonella | 61 (60%) | 47 (66%) | 14 (47%) | 0.07 | 50 (62%) | 41 (64%) | 9 (53%) | 0.4 |
| Ciprofloxacin-sensitive | 52 (85%) | 42 (89%) | 10 (71%) | 0.19 | 42 (52%) | 5 (12%) | 3 (33%) | 0.14 |
| Image findings | ||||||||
| Pseudoaneurysm | 104 (95%) | 72 (96%) | 32 (94%) | 0.65 | 84 (99%) | 66 (99%) | 18 (100%) | 1 |
| Psoas abscess | 8 (7%) | 3 (4%) | 5 (15%) | 0.11 | 7 (8%) | 3 (5%) | 4 (22%) | 0.03 |
| Location | ||||||||
| Aortic arch | 14 (13%) | 10 (13%) | 4 (12%) | 11 (13%) | 8 (12%) | 3 (17%) | ||
| Descending thoracic | 24 (22%) | 14 (19%) | 10 (29%) | 17 (20%) | 14 (21%) | 3 (17%) | ||
| Suprarenal abdominal | 14 (13%) | 9 (12%) | 5 (15%) | 9 (11%) | 6 (9%) | 3 (17%) | ||
| Infrarenal abdominal | 59 (54%) | 44 (59%) | 15 (44%) | 50 (59%) | 41 (61%) | 9 (50%) | ||
| Suprarenal location | 51 (47%) | 32 (43%) | 19 (56%) | 0.2 | 36 (42%) | 27 (40%) | 9 (50%) | 0.2 |
| Surgery | 85 (78%) | 67 (89%) | 18 (53%) | < 0.001 | ||||
| Median duration of preoperative antibiotic in days (IQR) | 8 (2-21) | 14 (3-26) | 3 (0-7) | 0.005 | ||||
| Operation procedure | 0.06 | |||||||
| Open repair | v | v | 77 (91%) | 63 (94%) | 14 (78%) | |||
| Endovascular repair | 8 (9%) | 4 (6%) | 4 (22%) |
IQR, interquartile range. * Culture-negative in 8 patients.