Comparison of the Application Value for Diagnosis of Chronic Kidney Disease between Color Doppler Flow Quantification Technique and Computed Tomography

Table 1

Comparison of CDFQ observation indexes among various groups (Mean ± SD).

Group	n	Cortical thickness (mm)	3D renal volume (ml)	RI
Control	32	0.95 ± 0.05	146.34 ± 14.32	0.61 ± 0.05
Stage 1	23	0.98 ± 0.06	166.09 ± 21.77^a	0.64 ± 0.04
Stage 2	20	0.96 ± 0.04	134.30 ± 13.70^b	0.63 ± 0.05
Stage 3	16	0.84 ± 0.05^abc	127.69 ± 15.26^ab	0.66 ± 0.03^abc
Stage 4	13	0.78 ± 0.05^abc	119.23 ± 12.83^ab	0.69 ± 0.04^abc
Stage 5	16	0.62 ± 0.04^abcde	111.44 ± 11.67^abcde	0.71 ± 0.05^abcde

a indicates versus control group; b indicates versus stage 1 group; c indicates versus stage 2 group; d indicates versus stage 3 group, and e indicates versus stage 4 group.