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African Journal of Urology

Table 4 Multiple linear regression analysis to assess the most significant predictors of stone composition

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

 

CaPO4

COM

COD

Struvite

Urate

 

P value

P value

P value

P value

P value

HU

0.143

0.000**

0.095

0.001**

0.000**

Dense opaque

0.091

0.001**

0.17

0.25

0.414

Opaque

0.35

0.416

0.225

0.935

0.696

Faint opaque

0.321

0.12

0.514

0.029*

0.578

Lucent

0.651

0.264

0.366

0.069

0.011*

  1. *Statistically significant difference (P level < 0.05)
  2. **Statistically significant difference (P level < 0.01)
  3. HU Hounsfield unit, CaPO4 basic calcium phosphate, COM calcium oxalate monohydrate, COD calcium oxalate dihydrate
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