Table 2.
Surgical outcomes of 348 children with antenatal hydronephrosis
| Grading Systems | Group | Surgerya | Age at Surgeryb | Definitive Evidence of Obstruction in Operative or Pathology Report |
|---|---|---|---|---|
| APD | All children (N=348) | 96 (27.5) | 145 (103–370.5) | 95 (98.9) |
| APD<6 mm (n=75) | 2 (2.1) | 405–455c | 2 (2.1) | |
| APD≥6–9 mm (n=72) | 7 (7.3) | 113–1974c | 7 (7.3) | |
| APD>9–15 mm (n=104) | 22 (22.9) | 234.5 (130–328) | 21 (22.1) | |
| APD>15 mm (n=97) | 65 (67.7) | 123 (90–280) | 65 (68.5) | |
| P value | 0.001 | 0.01 | ||
| SFU | SFU grade 1 (n=68) | — | — | — |
| SFU grade 2 (n=131) | 7 (7.3) | 215–1528c | 7 (7.3) | |
| SFU grade 3 (n=55) | 23 (23.9) | 290 (130–636) | 23 (24.2) | |
| SFU grade 4 (n=94) | 66 (68.8) | 122.5 (90–214) | 65 (68.5) | |
| P value | 0.001 | 0.001 |
Values are n (%) or median (interquartile range). APD, anteroposterior diameter of the renal pelvis; SFU, Society for Fetal Urology.
a
Analyzed using ANOVA test.
b
Analyzed using Kruskal–Wallis test; statistically significant at P<0.05.
c
Minimum-maximum because of small numbers.