Fig. 1.
Fig. 2.
Fig. 3.
Fig. 4.
Sensitivity, specificity, and positive and negative predictive values of RBUS, ceVUS, and VCUG
| Sensitivity, % | Specificity, % | Positive predictive value, % | Negative predictive value, % | |
|---|---|---|---|---|
| RBUS | 73.91 | 80.43 | 79.07 | 75.51 |
| ceVUS + RBUS | 89.13 | 84.78 | 85.42 | 88.64 |
| VCUG | 17.31 | 86.96 | 57.14 | 51.23 |
Consistency of VCUG and ceVUS in grading VUR
| Grade | I | II | III | IV | V | Total | |
|---|---|---|---|---|---|---|---|
| CeVUS | I | 0 | 0 | 0 | 0 | 0 | 0 |
| II | 0 | 2 | 1 | 0 | 0 | 3 | |
| III | 0 | 1 | 8 | 2 | 0 | 11 | |
| IV | 0 | 0 | 3 | 12 | 3 | 18 | |
| V | 0 | 0 | 0 | 2 | 8 | 10 | |
| Total | 0 | 3 | 12 | 16 | 11 | 42 |