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Table 9 Incidence of sequelae in each risk group

From: The posterior urethral valves revisited: embryological correlation, clinical classification, and risk stratification of the spectrum

Major sequelae

Low risk (n = 24)

Intermediate risk (n = 52)

High risk* (n = 26)

Recurrent UTI

2 (8%)

10 (19%)

8 (31%)

Obstructive voiding symptoms

1 (4%)

12 (23%)

15 (58%)

Persistent hydronephrosis

2 (8%)

18 (34%)

18 (69%)

Persistent VUR

–

12 (4%)

14 (54%)

Progressive renal scarring

–

9 (17%)

12 (46%)

Progressive uremia

–

1 (2%)

12 (46%)

Valve bladder syndrome

–

9 (17%)

18 (69%)

Systemic problems**

–

1 (2%)

14 (54%)

  1. *Significant overlap of complications was seen in both intermediate risk and high-risk groups
  2. **Systemic problems include metabolic acidosis, osteodystrophy, growth failure, etc.