The grades of VUR detected in the ureters of children with and without renal scarring in the 2000s, and their scarring risks
| Grade of VUR | With scarring | Without scarring | Scarring risk | ||
|---|---|---|---|---|---|
| n | Per cent | n | Per cent | Per cent | |
| 1 | 2 | 9 | 32 | 19 | 6 |
| 2 | 11 | 50 | 110 | 68 | 9 |
| 3 | 5 | 23 | 19 | 12 | 21 |
| 4 | 3 | 14 | 1 | 1 | 75 |
| 5 | 1 | 5 | 1 | 1 | 50 |
VUR, vesicoureteric reflux.