Table 3.

The statistical analysis of tissue peak, blood flow of 27 cases of pancreatic cancer and cancer-surrounding areas in 3 groups

ROI	Perfusion parameter ( $\overline{\mathbf{x}}\pm \mathbf{s}$ )	Group ①	Group ②	Group ③	F value	P value
Pancreatic cancer	Tissue peak	59.59 ± 18.20	61.93 ± 19.73	59.04 ± 18.49	0.179	0.836
	BF	60.00 ± 15.36	56.22 ± 20.56	60.81 ± 26.85	0.353	0.704
Cancer-surrounding areas	Tissue peak	101.11 ± 12.19	98.33 ± 12.35	99.00 ± 12.71	0.368	0.693
	BF	108.19 ± 21.77	103.67 ± 21.75	113.07 ± 30.08	0.968	0.384