Shock index in patients with traumatic solid organ injury as a predictor of massive blood transfusion protocol activation

Table 5 Multivariable analysis for predictor of blood transfusion, massive transfusion protocol and laparotomy

Variable	Blood transfusion			Massive transfusion protocol			Exploratory laparotomy
Variable	P	OR	95% CI	P	OR	95% CI	P	OR	95% CI
Age; years^⁎	0.187	1.016	0.992–1.040	0.137	1.025	0.992–1.059	0.151	1.02	0.994–1.040
Sex (male)	0.318	1.649	0.618–4.398	0.066	4.268	0.908–20.05	0.136	2.18	0.783–6.047
Initial Lactate^⁎	0.001	1.418	1.179–1.704	0.166	1.09	0.966–1.226	0.116	1.09	0.977–1.233
Initial hematocrit^⁎	0.001	0.862	0.816–0.911	0.001	0.884	0.833–0.938	0.009	0.94	0.900–0.985
Admission GCS^⁎	0.015	0.913	0.849–0.983	0.010	0.897	0.826–0.975	0.015	0.92	0.854–0.983
ISS^⁎	0.001	1.072	1.032–1.114	0.183	1.032	0.985–1.080	0.003	0.94	0.911–0.981
FAST result	0.016	2.266	1.168–4.397	0.079	2.24	0.910–5.532	0.001	4.14	2.347–7.452
Abdomen AIS^⁎	0.020	1.659	1.082–2.544	0.172	1.40	0.862–2.295	0.001	2.53	1.719–3.732
SI^⁎	0.001	15.00	4.180–53.16	0.482	1.41	0.540–3.694	0.758	0.87	0.372–2.057
SI ^⁎⁎	0.001	2.80	1.560–4.950	0.031	2.81	1.098–7.206	0.479	1.23	0.689–2.212

⁎ = continuous variable, ^⁎⁎Shock index (SI) as categorical variable ≥0.80 vs < 0.80 in a second multivariable model, OR Odd ratio, CI Confidence interval

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