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Table 3 Comparison of thromboelastographic parameters based on the presence of hypofibrinogenemia in patients with primary postpartum hemorrhage

From: Thromboelastography as an early prediction method for hypofibrinogenemia in emergency department patients with primary postpartum hemorrhage

Variables

Hypofibrinogenemia group

(n = 73)

No-hypofibrinogenemia group

(n = 101)

AUC

p value

R, minutes

4.5 (3.5–5.5)

3.7 (3.2–4.1)

0.710

< 0.001

K, minutes

3.1 (2.3–5.1)

1.3 (1.1–1.7)

0.872

< 0.001

K > 1.9 min

57 (78.1)

15 (14.9)

 

< 0.001

Alpha angle, degrees

51.2 (39.9–61.3)

70.7 (65.3–74.1)

0.861

< 0.001

Alpha angle < 63 degrees

60 (82.2)

18 (17.8)

 

< 0.001

MA, mm

51.8 (42.2–59.6)

66.2 (61.2–70.3)

0.885

< 0.001

MA < 60 mm

55 (75.3)

21 (20.8)

 

< 0.001

LY30, %

0.0 (0.0–0.3)

0.0 (0.0–0.7)

0.528

0.478

  1. Values are expressed as the median [interquartile range] or number (%)
  2. AUC, area under the receiver operating characteristics curve; R, reaction time; K, kinetic time; MA, maximum amplitude; LY30, lysis after 30 min
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Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine

ISSN: 1757-7241