| Experimental group Mono+ 55 kV | Control group 100 kV | P-value |
Abdominal Aorta CT-Value | 602.34 ± 89.67 | 596.29 ± 90.78 | P < 0.05 |
Abdominal Aorta SNR | 18.75 ± 6.02 | 18.79 ± 5.05 | P < 0.05 |
Abdominal Aorta CNR | 44.50 ± 7.01 | 45.40 ± 6.9 | P < 0.05 |
Renal Artery CT-Value | 568 ± 176.39 | 566.18 ± 189.21 | P < 0.05 |
Renal Artery SNR | 16.68 ± 6.87 | 16.65 ± 6.96 | P < 0.05 |
Renal Artery CNR | 43.78 ± 7.43 | 45.77 ± 7.08 | P < 0.05 |
Renal Tumor CT-Value | 259.12 ± 78.68 | 245.89 ± 84.14 | P < 0.05 |
Renal Tumor SNR | 5.80 ± 4.78 | 5.78 ± 4.61 | P < 0.05 |
Renal Tumor CNR | 21.15 ± 7.11 | 20.68 ± 6.75 | P < 0.05 |