Table 4.

Stone composition

Stone composition	N = 103
Single composition	n = 22
Calcium oxalate monohydrate	17
Uric acid	2
Cystine	1
Magnesium ammonium phosphate hexahydrate	1
2,8 dihydroxyadenine	1
Mixed composition	n = 63
Calcium oxalate monohydrate & calcium phosphate carbonate	19
Calcium oxalate dehydrate, calcium oxalate monohydrate & calcium phosphate carbonate	14
Calcium phosphate carbonate & magnesium ammonium phosphate hexahydrate	11
Calcium oxalate monohydrate & Calcium oxalate dihydrate	7
Calcium phosphate carbonate & magnesium ammonium phosphate hexahydrate	3
Uric acid + calcium oxalate monohydrate	2
Calcium hydrogen phosphate dihydrate, calcium phosphate carbonate & calcium oxalate monohydrate	1
Calcium oxalate monohydrate & Amorphous calcium phosphate carbonate	1
Calcium phosphate carbonate, beta calcium phosphate & calcium oxalate monohydrate	1
Calcium phosphate carbonate, calcium oxalate monohydrate & magnesium ammonium phosphate hexahydrate	1
Calcium phosphate carbonate, magnesium ammonium phosphate hexahydrate & beta calcium phosphate	1
Uric acid & ammonium urate	1
Not recorded	n = 18