Recurrence of urinary tract infections during the follow up period among children who completed the study
| Event | Treatment groups | ||
|---|---|---|---|
| IV 10 days | IV 3 days | ||
| Patients who had at least one recurrence of urinary tract infection (%) | 6/110 (5) | 9/110 (8) | |
| Sex (%) | |||
| Male | 2/28 (7) | 3/21 (14) | |
| Female | 4/82 (5) | 6/89 (7) | |
| Median age at time of first recurrence (y) | 2.2 | 0.8 | |
| Number of episodes of recurring urinary tract infection | |||
| 0 | 104 | 101 | |
| 1 | 4 | 9 | |
| 2 | 2 | 0 | |
| Children who exhibited recurring urinary tract infection with fever | 4 | 8 | |
| Interval between end of treatment and first recurrence | |||
| ⩽7 days | 0 | 2 | |
| >7 and ⩽14 days | 1 | 0 | |
| >14 days | 5 | 7 | |
| Recurrence under antibiotic prophylaxis | 4 | 4 | |
| Recurrences with abnormalities of urinary tract | 2 | 54-150 | |
| Vesicoureteric reflux | 1 | 5 | |
| Stenosis of vesicoureteric junction | 1 | 1 | |
| Renal duplication | — | 1 | |
↵4-150 Two children had two abnormalities of the urinary tract (one child had vesicoureteric reflux and a vesicoureteric stenosis, and one child had vesicoureteric reflux and renal duplication).