Alterations in the Coagulation System during Major Visceral Surgery in Children

Table 3

Results of the different coagulation parameters in the two groups.

	Preoperative	Postoperative	𝑃 value
INR
Group 1	1.1 (0.9–1.8)	1.1 (0.9–2.3)	<0.001
Group 2	1.1 (0.9–1.3)	1.1 (1.0–1.4)	0.02
𝑃 value	0.18	0.04
aPTT (sec)
Group 1	38 (27–200)	36 (27–64)	0.05
Group 2	37 (27–45)	35 (27–50)	0.03
𝑃 value	0.05	0.3
Fibrinogen (µmol/L)
Group 1	7.8 (4.4–12.6)	6.7 (3.9–10.4)	<0.001
Group 2	8.1 (5.8–14.5)	7.8 (3.1–14.8)	0.07
𝑃 value	0.29	0.009
D-dimer (mg/L)
Group 1	0.39 (0.14–14.58)	0.46 (0.07–9.54)	0.8
Group 2	0.26 (0.13–0.55)	0.32 (0.15–20.00)	0.1
𝑃 value	0.09	0.5