03 May 2023>: Clinical Research
A Feasibility Study to Evaluate Replacing Conventional Computed Tomography at 120 KVP with Low Radiation Dose and Low Iodine Intake Based on Body Mass Index-Adapted Abdominal Computed Tomography Angiography in 291 Patients
Yijun Liu A* , Zijing Zhang B , Wei Wei B , Xu Wang F , Beibei Li F , Xiaoyu Tong CDOI: 10.12659/MSM.939228
Med Sci Monit 2023; 29:e939228
Table 5 Comparison of subjective scores of abdominal CTA between 2 groups.
Group | Vessel contrast | Small vessel | Noise | Diagnostic confidence | ||||
---|---|---|---|---|---|---|---|---|
observer 1 | observer 2 | observer 1 | observer 2 | observer 1 | observer 2 | observer 1 | observer 2 | |
A1 | 5.00±0 | 4.98±0.13 | 4.84±0.36 | 4.86±0.35 | 4.05±0.35 | 4.04±0.32 | 4.70±0.53 | 4.70±0.53 |
B1 | 4.95±0.22 | 4.90±0.30 | 4.88±0.33 | 4.88±0.33 | 4.63±0.58 | 4.65±0.53 | 4.88±0.33 | 4.85±0.36 |
value | −1.697 | −1.799 | −0.451 | −0.217 | −5.463 | −5.949 | −1.695 | −1.383 |
value | 0.090 | 0.072 | 0.652 | 0.828 | 0.090 | 0.167 | ||
A2 | 5.00±0 | 5.00±0 | 4.98±0.14 | 4.96±0.2 | 4.24±0.43 | 4.31±0.50 | 4.88±0.33 | 4.90±0.30 |
B2 | 5.00±0 | 5.00±0 | 4.94±0.23 | 4.91±0.29 | 4.72±0.45 | 4.70±0.46 | 4.96±0.19 | 4.92±0.26 |
value | 0 | 0 | −0.936 | −1.063 | −4.742 | −3.780 | −1.582 | −0.470 |
value | 1.000 | 1.000 | 0.349 | 0.288 | 0.114 | 0.638 | ||
A3 | 4.98±0.14 | 4.98±0.14 | 4.81±0.39 | 4.83±0.37 | 4.79±0.41 | 4.73±0.44 | 4.92±0.27 | 4.94±0.24 |
B3 | 4.95±0.21 | 4.93±0.33 | 4.77±0.42 | 4.70±0.46 | 4.80±0.46 | 4.77±0.47 | 4.89±0.32 | 4.84±0.37 |
value | −0.661 | −0.673 | −0.468 | −1.462 | −0.261 | −0.671 | −0.486 | −1.479 |
value | 0.509 | 0.501 | 0.640 | 0.144 | 0.794 | 0.502 | 0.627 | 0.139 |