| | The degree of VUR before treatment | Grade 1 (: 1) | Grade 2 (: 9) | Grade 3 (: 38) | Grade 4 (: 27) | |
| Age (mean) | 11 | 7,1 (2–14) | 7,1 (1–12) | 5,5 (1–12) | 0,155 |
| Follow-up (months) | 20 | 21,8 (5–48) | 10,8 (1–36) | 9,8 (1–40) | 0,012 |
| Sex | | | | | | Male (: 19) | 0 | 3 (4%) | 6 (8%) | 10 (13,3%) | 0,219 | Female (: 56) | 1 (1,3%) | 6 (8%) | 32 (42,7%) | 17 (22,7%) |
| VUR side | | | | | | Left | 0 | 3 (4%) | 12 (16%) | 6 (8%) | 0,077 | Right | 1 (1,3%) | 6 (8%) | 10 (13,3%) | 7 (9,3%) | Bilateral | 0 | 0 | 16 (21,3%) | 14 (18,7%) |
| Treatment indication | | | | | | Infection | 1 (1,3%) | 9 (12%) | 22 (29,3%) | 15 (20%) | 0,075 | Scar | 0 | 0 | 16 (21,3%) | 12 (16%) |
|
|