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Table 1 INR, TEG and rTEG results and reference ranges

From: TEG® and RapidTEG® are unreliable for detecting warfarin-coagulopathy: a prospective cohort study

Parameter

Mean ± SD

Reference range

INR

2.8 ± 0.5

< 1.5

TEG R-Time

8.3 ± 2.7

2-8

TEG K-Time

2.1 ± 1.4

1-3.0

TEG alpha-angle

62.5 ± 10.3

55-78

TEG MA

63.2 ± 10.3

51-69

TEG G-value

9.4 ± 3.5

4.6-10.9

rTEG ACT

132 ± 57.7

86-118

rTEG K-Time

1.2 ± 0.5

1-2.0

rTEG alpha-angle

75.4 ± 5.2

64-80.0

rTEG MA

63.4 ± 5.1

52-71.0

rTEG G-value

8.9 ± 2.0

5.0-11.6

  1. INR, International Normalized Ration; TEG, Thromboelastography; rTEG, RapidTEG; R-Time, Reaction Time; K-Time, Kinetics Time; MA, maximum amplitude; G-value, clot strength/elasticity; ACT, activated clotting time.