Table 4.

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

Groups	Perfusion parameter ( $\overline{\mathbf{x}}\pm \mathbf{s}$ )	Pancreatic cancer	Cancer-surrounding areas	T value	p value
Group ①	Tissue peak	59.59 ± 18.20	101.11 ± 12.19	−11.141	0.000
	BF	60.00 ± 15.36	108.19 ± 21.77	−9.992	0.000
Group ②	Tissue peak	61.93 ± 19.73	98.33 ± 12.35	−9.731	0.000
	BF	56.22 ± 20.56	103.67 ± 21.75	−12.084	0.000
Group ③	Tissue peak	59.04 ± 18.49	99.00 ± 12.71	−10.586	0.000
	BF	60.81 ± 26.85	113.07 ± 30.08	−12.259	0.000