Effects of intraoperative lung-protective ventilation on clinical outcomes in patients with traumatic brain injury: a randomized controlled trial

Table 5 Intraoperative serum levels of GFAP and UCHL1

		Group A (n = 25)	Group B (n = 28)	Group C (n = 26)	P
GFAP	T₁	328.68 ± 54.50	325.79 ± 55.82	336.58 ± 61.04	0.776
	T₂	399.16 ± 55.40^*	360.93 ± 56.71^a*	389.12 ± 57.32^*	0.042
	T₃	459.24 ± 56.37^*#	396.68 ± 55.78^a*#	431.96 ± 71.44^b*#	0.002
UCHL1	T₁	422.60 ± 165.27	413.43 ± 172.77	434.58 ± 186.98	0.906
	T₂	828.16 ± 134.20^*	661.96 ± 166.73^a*	782.00 ± 177.36^b*	0.001
	T₃	1223.00 ± 126.37^*#	849.21 ± 175.51^a*#	1068.50 ± 167.71^ab*#	< 0.001

Data are presented as the mean ± standard deviation (pg/mL)
GFAP glial fibrillary acidic protein; UCHL1 ubiquitin carboxyl-terminal hydrolase isozyme L1
^aP<0.05 compared to Group A, ^bP<0.05 compared to Group B at the same point in time
^*P < 0.05, ^#P < 0.05 compared to T₁ and T₂ within each group

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