Table 1.
Population characteristics
| All patients (n=136) | NOM (n=61) | SAE (n=50) | OM (n=25) | P | |
|---|---|---|---|---|---|
| Age (years), median (IQR) | 25 (20–42) | 25 (19–39) | 26 (19–43) | 26 (23–57) | 0.519 |
|
| |||||
| Spleen injury | |||||
| AAST Grade ≥3, n (%) | 77 (56.62) | 20 (32.79) | 42 (84.0) | 15 (60.0) | <0.001 |
| Vascular injury, n (%) | 58 (42.64) | 4 (6.56) | 42 (84.0) | 12 (48.0) | <0.001 |
| Large hemoperitoneum, n (%) | 54 (39.71) | 14 (23.0) | 23 (46.0) | 17 (68.0) | <0.001 |
|
| |||||
| Global trauma | |||||
| ISS, median (IQR) | 25 (16–34) | 16 (14.5–24) | 20 (16–25) | 37 (28.5–43) | 0.001 |
| SAPS2, median (IQR) | 21 (13.5–34.5) | 18.5 (11.5–30) | 16 (11–24) | 40 (36–50.5) | <0.001 |
| Associated injuries, n (%) | 93 (68.38) | 36 (59.02) | 35 (70.0) | 22 (88.0) | 0.03 |
| RBCT prior to admission, n (%) | 34 (25.0) | 0 (0.0) | 11 (22.0) | 23 (92.0) | <0.001 |
|
| |||||
| Length of stay (days), median (IQR) | |||||
| Total hospitalization | 12 (9–19) | 10 (8–14) | 14 (11–19) | 15 (10–21.5) | 0.001 |
| ICU | 2 (0–4) | 1 (0–3) | 2 (1–3) | 2 (1.5–11) | 0.01 |
NOM, nonoperative management; SAE, nonoperative management with splenic artery embolization; OM, operative management; IQR, interquartile range (i.e., 25th and 75th percentiles); AAST, American Association for the Surgery of Trauma; ISS, injury severity score; SAPS2, simplified acute physiology score 2; RBCT, red blood cell transfusion; ICU, intensive care unit.