Table 2.

Comparision of ASL and APTw parameters in EA and PHA between TR and RIBI.

Region	Variable	TR (N = 29)	RIBI(N = 35)	Diff (95 % CI)	t	P
EA	CBF (mL/100 g/min)	32.83 ± 6.18	25.06 ± 5.03	7.77 (4.97, 10.57)	5.543	<0.001
	rCBF	2.37 ± 0.86	1.44 ± 0.45	0.93 (0.59, 1.26)	5.547	<0.001
	APTw (%)	3.13 ± 0.26	2.20 ± 0.71	0.83 (0.57, 1.10)	6.201	<0.001
	rAPTw	1.43 ± 0.46	1.13 ± 0.37	0.31 (0.10, 0.52)	2.970	0.004
PHA	CBF (mL/100 g/min)	26.14 ± 4.18	26.17 ± 7.77	−0.03 (-3.25, 3.18)	0.021	0.983
	rCBF	1.19 ± 0.51	1.32 ± 0.49	−0.13 (-0.38, 0.12)	1.059	0.294
	APTw (%)	2.38 ± 0.63	2.02 ± 0.49	0.36 (0.08, 0.64)	2.536	0.014
	rAPTw	1.26 ± 0.36	1.02 ± 0.36	0.24 (0.06, 0.42)	2.671	0.010

TR: tumor recurrence; RIBI: radiation-induced brain injury; CI: confidence interval; CI: confidence interval.