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

Table 3

Conventional coagulation test results, Kaolin TEG and rapid TEG measurements in overall group, nontransfused and transfused patients.

	Overall (𝑛=76)	Nontransfused (𝑛=51)	Transfused (𝑛=25)	P*
		CCT
INR	1.15 ± 0.22	1.10 ± 0.16	1.27 ± 0.29	0.002
aPTT (sec)	32 ± 11	30 ± 8	38 ± 13	0.002
Thrombin time (sec)	13.1 ± 2.5	12.9 ± 1.4	13.5 ± 3.9	0.689
Fibrinogen (g/L)	2.69 ± 0.98	2.89 ± 0.83	2.23 ± 1.16	0.002
Platelet (g/L)	209 ± 57	216 ± 47	194 ± 73	0.331
		Kaolin TEG
R (min)	4.9 ± 1.7	4.9 ± 1.7	5.0 ± 1.7	0.938
K (min)	2.1 ± 1.7	1.7 ± 0.5	3.0 ± 2.7	0.014
α-Angle (deg)	57 ± 12	59 ± 10	53 ± 13	0.021
MA (mm)	59 ± 9	62 ± 5	54 ± 12	0.006
TMA (min)	24.5 ± 4.0	24.2 ± 3.3	25.0 ± 5.3	0.226
G (d/sec)	7759 ± 2128	8381 ± 1509	6516 ± 2626	0.006
LY30 (%)	1.6 ± 10.2	0.5 ± 1.0	3.9 ± 17.7	0.746
		Rapid TEG
Rapid R (min)	0.85 ± 0.53	0.75 ± 0.39	1.04 ± 0.72	0.106
Rapid Delta (min)	0.20 ± 0.29	0.14 ± 0.13	0.33 ± 0.46	0.119
Rapid ACT	51.80 ± 0.83	51.65 ± 0.60	52.11 ± 1.12	0.106
Rapid K (min)	1.9 ± 1.8	1.4 ± 0.6	3.0 ± 2.6	<0.001
Rapid α-angle (deg)	70 ± 12	73 ± 7	62 ± 16	<0.001
Rapid MA (mm)	59.9 ± 9.0	62.9 ± 5.6	54.0 ± 11.3	0.001
Rapid TMA (min)	17.8 ± 4.3	17.0 ± 3.7	19.4 ± 5.0	0.008
Rapid G (d/sec)	7933 ± 2458	8659 ± 2032	6480 ± 2625	0.001
Rapid LY30 (%)	2.3 ± 10.2	1.1 ± 1.4	4.8 ± 17.6	0.568

*Kruskal-Wallis test.