Table 2.

Changes of NSE and S100β indexes.

	Control group (n = 45)	Study group (n = 43)	t	P value
NSE （ng/ml）
T1	2.94 ± 0.41	2.91 ± 0.42	0.339	0.735
T2	2.74 ± 0.56	2.78 ± 0.42	−0.378	0.707
T3	4.67 ± 1.02∗	4.01 ± 1.04∗	3.005	0.003
T4	5.85 ± 1.27∗	4.72 ± 0.52∗	5.416	＜0.001
F	5.241	3.313
P value	＜0.001	＜0.001
s100β (mmol/L)
T1	1.23 ± 0.12	1.22 ± 0.19	0.297	0.767
T2	1.32 ± 0.34∗	1.36 ± 0.24∗	P < 0.050.635	0.527
T3	1.92 ± 0.41∗	1.45 ± 0.42∗	5.312	＜0.001
T4	2.68 ± 0.61∗	1.58 ± 0.73∗	7.684	＜0.001
F	4.257	5.863
P value	＜0.001	＜0.001

^∗ Changes of T2, T3, and T4 indicators are statistically significant compared with T1.