Table 3.
Performance of USG and CT examinations in assessing the invasion or encasement adjacent structures in children with solid abdominal tumors.
| SEN (%) | SPE (%) | PPV (%) | NPV (%) | AC (%) | |
|---|---|---|---|---|---|
| CT | 90.3 | 86.8 | 75.3 | 95.3 | 87.9 |
| 95% CI | 85.7-93.5 | 83.6-89.5 | 69.8-80 | 92.9-96.8 | 85.3-90 |
| USG | 86.6 | 94.6 | 86.9 | 94.4 | 92.2 |
| 95% CI | 82.4-90.4 | 92.4-96.2 | 81.9-90.8 | 92.2-96.1 | 90.1-93.9 |
| p | 0.279 | <0.001 | 0.002 | 0.658 | 0.006 |
95%CI, 95% confidence interval; AC, accuracy; CT, computed tomography; NPP, negative predictive value; PPV, positive predictive value; SEN, sensitivity; SPE, specificity; USG, ultrasonography; NPV, negative predictive value.
p- comparison by the Chi-Squared test and Yates correction.