TABLE 2.
Criteria for the VCUG Threshold Groups
| VCUG-E | VCUG-D | VCUG-C | VCUG-B | VCUG-A | |
|---|---|---|---|---|---|
| VUR | Any VUR | Any VUR | VUR > Grade I | VUR > Grade II | VUR > Grade III |
| Peri-ureteral (Hutch) diverticulum | Any peri-ureteral diverticulum | Any peri-ureteral diverticulum | Any peri-ureteral diverticulum | Any peri-ureteral diverticulum | Any peri-ureteral diverticulum |
| Bladder | Any abnormalities | “Significant” abnormalities | “Significant” abnormalities | “Significant” abnormalities | “Significant” abnormalities |
| Diverticulum | Diverticulum | Diverticulum | Diverticulum | Diverticulum | |
| Trabeculation | Trabeculation | Trabeculation | Trabeculation | Trabeculation | |
| Ureterocele | Ureterocele | Ureterocele | Ureterocele | Ureterocele | |
| Large volume | |||||
| Small volume | |||||
| Bladder wall thickening | |||||
| Urethra | Any urethral abnormalities | Any urethral abnormalities | Any urethral abnormalities | Any urethral abnormalities | Any urethral abnormalities |
A VCUG is positive for a particular category if any of the findings in that column were reported during the VCUG. If none of the findings in a given column were present, then the VCUG was “negative” for that threshold definition.