The Rapid TEG α-Angle May Be a Sensitive Predictor of Transfusion in Moderately Injured Blunt Trauma Patients

Table 1

Characteristics of overall study population, nontransfused and transfused patients.

	Overall (𝑛=76)	Nontransfused (𝑛=51)	Transfused (𝑛=25)	P
Male (n, %)	55 (72)	33 (65)	22 (88)	0.054^a
Age (years)^c	49 ± 21	52 ± 20	43 ± 20	0.056^b
Blunt mechanism (n, %)	63 (83)	42 (82)	21 (84)	0.543^b
Systolic BP (mmHg)	127 ± 23	130 ± 22	122 ± 25	0.111^b
Diastolic BP (mmHg)	73 ± 19	75 ± 20	70 ± 16	0.399^b
Heart rate (bpm)	84 ± 21	78 ± 17	98 ± 25	0.005 ^b
Lactate (mmol/L)	2.3 ± 1.8	2.0 ± 1.3	3.0 ± 2.4	0.070^b
Base deficit (mEq/L)	−2.7 ± 3.3	−1.9 ± 2.1	−3.8 ± 4.4	0.099^b
Hb (g/dL)	12.4 ± 2.3	13.1 ± 2.0	10.9 ± 2.4	<0.001
Hct (%)	36.5 ± 6.8	38.5 ± 5.8	32.3 ± 6.9	<0.001
ISS	18 ± 10	15 ± 9	24 ± 10	0.001 ^b
Craniocerebral injury (n, %)	33 (43)	20 (39)	13 (52)	0.285^b
Mortality (n, %)	9 (12)	1 (2)	8 (32)	<0.001 ^a
ICU admission (n, %)	34 (45)	16 (31)	18 (72)	0.001 ^a
APACHE II score (ICU pts)	19.7 ± 8.3	16.9 ± 8.0	22.3 ± 7.8	0.078^b
SAPS II	40 ± 19	34 ± 17	45 ± 20	0.101^b

^aFisher’s exact test.
^bKruskal-Wallis test.
^cPresented as (mean ± SD) for continuous variables, unless otherwise indicated.