Comparison of Diagnostic Value for Chronic Kidney Disease between 640-Slice Computed Tomography Kidney Scan and Conventional Computed Tomography Scan

Table 2

Between-group comparison of subjective scores (, points).

Group	Plain scan	Cortical phase	Myeloid phase	Secretory phase
Experimental	1.38 ± 0.49	1.85 ± 0.65	2.10 ± 0.83	2.13 ± 0.59
Control	1.32 ± 0.47	2.37 ± 0.75	2.43 ± 0.69	2.65 ± 0.79
t	0.685	4.058	2.368	4.085
	0.495	<0.001	0.020	<0.001