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Table 2 Stone composition and corresponding aetiologies

From: Epidemiology of paediatric renal stone disease: a 22-year single centre experience in the UK

Stone composition (n = 300)

Metabolic

Infective

Idiopathic

Calcium oxalate

44 (14.7%)

8 (2.6%)

50 (16.6%)

Calcium phosphate

42 (14%)

49 (16.3%)

42 (14%)

Triple phosphate

2 (0.7%)

32 (10.7%)

6 (2%)

Cystine

20 (6.7%)

0

0

Uric Acid

0

1 (0.3%)

4 (1.3%)