Patient characteristics
| SAE/NOM (n=108) | SAE/SPLEN (n=16) | P value | |
| Age | 40±19 | 46±15 | 0.16 |
| Male gender | 74 (68%) | 9 (56%) | 0.33 |
| ISS | 23±10 | 21±14 | 0.40 |
| Splenic injury grade | |||
| 1 | 9 (8%) | 1 (6%) | 1.00 |
| 2 | 14 (13%) | 3 (19%) | 0.46 |
| 3 | 34 (32%) | 6 (38%) | 0.63 |
| 4 | 41 (38%) | 4 (25%) | 0.31 |
| 5 | 10 (9%) | 2 (12%) | 0.65 |
| Distal angioembolization | 87 (81%) | 14 (88%) | 0.41 |
| ICU admission | 46 (43%) | 11 (69%) | 0.05 |
| Hospital length of stay (days) | 10±11 | 23±19 | <0.001 |
ICU, intensive care unit; ISS, Injury Severity Score; SAE/NOM, successful non-operative management after splenic angioembolization; SAE/SPLEN, splenectomy after splenic angioembolization.