Correlation Analysis between Retention of Gd-DTPA in the Cystic Area of Brain Metastasis and MRI Signs

Table 1

Normal and nonnormal distribution of the MRI data of the cystic area and edema area in patients with BM.

	Skewness	Kurtosis	P
Cystic area
Plain scan	1.387	5.723	0.200
Enhanced scan	0.480	−0.928	<0.001
Enhanced plain scan	0.393	1.601	0.024
Edema area
Plain scan	1.429	5.844	0.032
Enhanced scan	−0.657	1.339	0.200
Enhanced plain scan	−0.556	0.589	0.001