Table 5.

Univariate analysis of patient and trauma characteristics

Variable	Successful nonoperative therapy (n = 68)	Failure of nonoperative therapy (n = 11)	P-value
Age in years*	28 (19–50)	45 (22–60)	0.18
SBP in mmHg	130 (120–140)	130 (15–145)	0.28
Heart rate in BPM	88 (76–99)	95 (75–110)	0.43
Serum hemoglobin in mmol/L	8.4 (7.5–8.9)	8.0 (7.0–8.4)	0.91
Coagulopathy	8/68	3/11	0.36
Glasgow coma scale	15 (14–15)	14 (9–15)	0.49
AIS-spleen*	2 (2–3)	3 (2–4)	0.065
Presence of a contrast blush	5/68	0/11	0.78
Injury Severity Score*	17 (9–25)	32 (17–34)	0.003

All data; median (IQR). ^* p < 0.2 Student’s t-test or Mann Whitney U test and selected for multivariable analysis

Abbreviations: NOM nonoperative management, SBP systolic blood pressure, BPM beats per minute, AIS Abbreviated Injury Score