A prediction model for massive hemorrhage in trauma: a retrospective observational study

BMC Emergency Medicine

Table 2 Multivariable logistic regression model based on LASSO feature selection

Intercept and Variables	β	OR (95% CI)	P value
Heart rate	0.013	1.01 (1.01, 1.02)	< 0.001
Pulse pressure	−0.014	0.99 (0.98, 0.99)	0.004
Base excess	−0.104	0.90 (0.87, 0.93)	< 0.001
Hemoglobin	−0.048	0.95 (0.95, 0.96)	< 0.001
Displaced pelvic fracture	0.757	2.13 (1.48, 3.06)	< 0.001
CT scan or FAST positive	0.484	1.62 (1.21, 2.18)	0.001
Intercept	2.419		< 0.001

LASSO Least absolute shrinkage and selection operator, OR Odds ratio, CI Confidence interval, CT Computed tomography, FAST Focused assessment with sonography for trauma

ISSN: 1471-227X