Table 1.
Demographic and clinical characteristics by requirement for intervention
| Required operative splenectomy or embolization | |||
| Characteristic | No | Yes | P value |
| Number of patients | 116 | 29 | – |
| Age: median (IQR) | 46 (29–61) | 50 (31–60) | 0.607 |
| Gender: no (%) | |||
| Female | 40 (34.5) | 10 (34.5) | 1.000 |
| Male | 76 (65.5) | 19 (65.5) | |
| BMI category: no (%) | |||
| <25.0 | 42 (36.2) | 7 (24.1) | 0.047 |
| 25.0 to 29.9 | 41 (35.3) | 11 (37.9) | |
| 30.0 to 34.9 | 13 (11.2) | 9 (31.0) | |
| ≥35.0 | 20 (17.2) | 2 (6.9) | |
| ISS: median (IQR) | 17 (12–24) | 17 (12–22) | 0.749 |
| Transferred from outside facility: no (%) | 22 (19.0) | 4 (13.8) | 0.600 |
| Admission SBP median (IQR) | 129 (110–142) | 121 (112–141) | 0.664 |
| Highest SBP within 1 hour of admit: median (IQR) | 140 (125–161) | 131 (118–160) | 0.169 |
| Splenic injury grade: no (%) | |||
| Grade I | 45 (38.8) | 10 (34.5) | 0.831 |
| Grade II | 71 (61.2) | 19 (65.5) | |
| Comorbidities: no (%) | |||
| Current smoker | 42 (36.2) | 9 (31.0) | 0.669 |
| Hypertension | 31 (26.7) | 10 (34.5) | 0.490 |
| Diabetes | 11 (9.5) | 5 (17.2) | 0.316 |
| Alcohol use disorder | 19 (16.4) | 4 (13.8) | 1.000 |
| Substance abuse | 15 (12.9) | 5 (17.2) | 0.553 |
| COPD | 4 (3.5) | 1 (3.5) | 1.000 |
| CHF | 1 (0.9) | 1 (3.5) | 0.361 |
| MI | 2 (1.7) | 1 (3.5) | 0.491 |
| PAD | 1 (0.9) | 2 (6.9) | 0.102 |
Data are presented as absolute number with percentage in parentheses.
CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; ISS, Injury Severity Score; MI, myocardial infarction; PAD, peripheral artery disease; SBP, systolic blood pressure.