Table 1 Distribution of mixed stones

Calcium oxalate monohydrate (COM)

37

Basic calcium phosphate (CaPo4)

34

Calcium oxalate dihydrate (COD)

12

Struvite

4

Urate

2

CaPo4 and COM

2

CaPo4 and COD

1

CaPo4 and struvite

1

COM and COD

1

COD and struvite

2

CaPo4 and COM and COD

1

Total

97