| 参数 | 腺癌(n = 50) | 鳞癌(n = 34) | t/Z值 | P值 |
| 40 KeV CT值 | 206.49 ± 40.37 | 151.09 ± 35.12 | 6.500 | 0.000 |
| 50 KeV CT值 | 141.75 ± 28.21 | 107.34 ± 24.52 | 5.780 | 0.000 |
| 60 KeV CT值 | 100.61 ± 20.02 | 80.39 ± 18.67 | 4.667 | 0.000 |
| 70 KeV CT值 | 75.04 ± 16.57 | 63.62 ± 15.55 | 3.176 | 0.002 |
| 80 KeV CT值 | 58.70 ± 15.4 | 52.91 ± 13.96 | 1.747 | 0.084 |
| 90 KeV CT值 | 48.28 (17.28) | 45.60 (14.90) | 0.893 | 0.372 |
| 标准化碘浓度(NIC) | 0.47 (0.19) | 0.35 (0.13) | 4.311 | 0.000 |
| 标准化水浓度(NWC) | 0.99 (0.02) | 0.99 (0.01) | 2.033 | 0.045 |
| 能谱曲线斜率(λ40~90 keV) | 3.14 ± 0.79 | 2.11 ± 0.56 | 6.555 | 0.000 |
| 虚拟平扫CT值 | 30.13 (14.89) | 37.53 (8.96) | 2.971 | 0.003 |
| ΔCT70 KeV值 | 45.85 ± 16.57 | 28.70 ± 11.46 | 5.238 | 0.000 |