[Retracted] Investigation of the Effects of Large Bone Flap Craniotomy on Cerebral Hemodynamics, Intracranial Infection Rate, and Nerve Function in Patients with Severe Craniocerebral Trauma

Table 2

Comparison of cerebral hemodynamic parameters and intracranial pressure.

Group	Control group (n = 44)	Large bone flap group (n = 45)	t
CBF (ml/(100 g min))
T1	22.36 ± 5.34	22.68 ± 5.27	−0.285	0.777
T2	27.95 ± 5.57	37.52 ± 6.42	−7.504	<0.001
T3	32.15 ± 5.83	38.09 ± 6.38	−4.582	<0.001
CBV (ml/100g)
T1	1.03 ± 0.21	1.02 ± 0.23	0.214	0.831
T2	1.41 ± 0.34	2.13 ± 0.53	−7.609	<0.001
T3	1.60 ± 0.39	2.27 ± 0.56	−6.536	<0.001
TTP (s)
T1	23.32 ± 2.03	23.24 ± 2.04	0.185	0.853
T2	19.01 ± 1.74	15.98 ± 1.67	8.382	<0.001
T3	17.67 ± 1.68	16.04 ± 1.73	4.508	<0.001
Intracranial pressure (mmHg)
T1	32.34 ± 4.21	32.27 ± 4.15	0.079	0.937
T2	26.50 ± 3.83	24.33 ± 3.45	2.810	0.006
T3	22.72 ± 3.35	17.84 ± 2.75	7.519	<0.001