Table 4.
Drainage pattern on renal dynamic scan after pyeloplasty
| Group | Number of patients (*) | Number of units | Drainage 3 months postoperative (%) | P | Drainage 1-year postoperative (%) | P | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| UOD | SUOD | DD | UOD | SUOD | DD | |||||
| All patients | ||||||||||
| 1 | 100 (15*) | 112# | 31 (27.7) | 44 (39.3) | 37 (33) | 0.015 | 42 (37.5) | 51 (45.5) | 19 (17) | 0.214 |
| 2 | 35 (2*) | 37 | 2 (5.4) | 24 (64.9) | 11 (29.7) | 7 (18.9) | 23 (62.2) | 7 (18.9) | ||
| <1 year age | ||||||||||
| 1 | 62 (12*) | 74 | 16 (21.7) | 31 (41.9) | 27 (36.4) | 0.043 | 26 (35.1) | 36 (48.7) | 12 (16.2) | 0.598 |
| 2 | 31 (2*) | 33 | 2 (6.1) | 23 (69.7) | 8 (24.2) | 7 (21.2) | 20 (60.6) | 6 (18.2) | ||
| More than 1 year age | ||||||||||
| 1 | 38 (3*) | 38# | 15 (39.5) | 13 (34.2) | 10 (26.3) | 0.12 | 16 (42.1) | 15 (39.5) | 7 (18.4) | 0.243 |
| 2 | 4 (0*) | 4 | 0 | 1 (25) | 3 (75) | 0 | 3 (75) | 1 (25) | ||
*Bilateral involvement, #3 patients lost to follow-up. UOD: Unobstructed drainage, SUOD: Slow unobstructed drainage, DD: Delayed drainage