TABLE 4

Recurrences of Febrile UTI/Pyelonephritis in Infants 2 to 24 Months of Age With and Without Antimicrobial Prophylaxis, According to Grade of VUR

Reflux GradeProphylaxisNo ProphylaxisP
No. of RecurrencesTotal NNo. of RecurrencesTotal N
None721011163.15
I2372351.00
II1113310124.95
III3114040145.29
IV16552149.14