African Journal of Urology

Table 3 Relation between type of the stone and its KUB findings

From: Can stone composition be predicted by plain X-ray and/or non-contrast CT? A study validated by X-ray diffraction analysis

	Dense opaque	Opaque	Faint opaque	Radiolucent	P value
	Median	Median	Median	Median	P value
Ca (Po4)	30.95	37.25	33.3	30.8	0.079
COM	40.3	28.2	20	20	0.003**
COD	26.8	16.7	20	20	0.122
Struvite	0	6.35	16.7	7.7	0.004**
Urate	0	0	6.7	10.5	0.001**
Cystine	0	0	0	0	0.291

**Statistically significant difference (P level < 0.01)

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