A Novel Approach to Identify Polytraumatized Patients in Extremis

Table 4

Demographic data (mean ± SD) referring to the “in extremis” group.

	Total	Deceased	Survivors	value
Age (years)	48.5 ± 21.7	53.4 ± 21.9	42.1 ± 20.1	0.037
ISS	43.6 ± 21.2	53.7 ± 20.9	30.6 ± 13.3	<0.001
Arterial paCO2 (mmHg)	55.5 ± 10.8	56.4 ± 10.8	54.2 ± 10.9	0.549
Hemoglobin (g/dl)	9.26 ± 1.8	8.8 ± 1.4	9.7 ± 2.2	0.129
pH value	7.14 ± 0.16	7.10 ± 0.17	7.16 ± 0.14	0.476
Lactate level (mmol/l)	6.66 ± 4.58	7.34 ± 4.34	5.76 ± 4.86	0.305
Base excess (mmol/l)	−10.4 ± 5.8	−10.6 ± 6.3	−10.0 ± 5.1	0.742
Shock index	1.4 ± 0.4	1.5 ± 0.4	1.4 ± 0.4	0.671
Horowitz index	228.78 ± 96.84	228.6 ± 86.8	229.0 ± 105.8	0.971