Table 2.

Comparison of CTP perfusion parameters between pre-operation and post-operation.

Parameter	Pre-operation	Post-operation	t-value	P-value
CBF [ml/(100 g·min)], ($\overline{x}$ ± s)	35.16 ± 4.09	46.79 ± 5.55	−13.70	0.000*
CBV (ml/100 g), ($\overline{x}$ ± s)	1.71 ± 0.31	1.78 ± 0.21	−1.61	0.100
MTT (s)	4.43 ± 0.56	3.96 ± 0.21	6.34	0.000*

^*P < 0.05, with statistical significance.