Table 3. Renal ultrasonography abnormalities according to the VUR grade.
| Variable | Mild VUR (n=214) |
Severe VUR (n=84) |
P value |
|---|---|---|---|
| Normal | 82 (38.3) | 17 (20.2) | 0.004 |
| Pelvic dilatation | 58 (27.1) | 20 (23.8) | 0.661 |
| Hydronephrosis | 33 (15.4) | 24 (28.6) | 0.014 |
| Ureter dilatation | 18 (8.4) | 13 (15.5) | 0.091 |
| Increased focal vascularities | 23 (10.7) | 7 (8.3) | 0.670 |
| Others | |||
| PKD | 0 (0) | 1 (1.2) | 0.282 |
| Horseshoe kidney | 0 (0) | 2 (2.4) | 0.079 |
Values are presented as number (%).
VUR grade: mild, 1–2; severe, 3–5.
VUR, vesicoureteral reflux; PKD, polycystic kidney disease.