Table 4 Association of variables with an unfavorable outcome in univariate analysis, multivariate analysis, and multivariate analysis without CT variables

Age

1.01 (0.99–1.03)^d

0.183

Male gender

0.91 (0.34–2.39)

0.850

Code red level of urgency^a

2.14 (0.79–5.77)

Blunt abdominal trauma

0.28 (0.01–4.79)

0.385

Extra-abdominal injury

0.99 (0.32–3.09)

0.995

Low hemoglobin level^b

1.48 (0.55–3.97)^e

0.428

Heart rate

1.00 (0.98–1.028)^f

0.723

Systolic blood pressure

0.97 (0.95–0.99)^g

0.034

0.98 (0.96–1.01)^g

0.270

0.98 (0.95–1.00)^g

0.090

Shock index classification

1.89 (1.01–3.55)^h

0.046

False-negative FAST

0.24 (0.07–0.77)

0.017

0.208

0.28 (0.08–0.93)

0.038

Contrast extravasation on CT^c

7.17 (2.24–22.97)

0.001

4.64 (1.33–16.15)

0.016

Free intra-abdominal fluid on CT

1.53 (0.31–7.61)

0.597