Research Article

FT-IR Analysis of Urinary Stones: A Helpful Tool for Clinician Comparison with the Chemical Spot Test

Table 3

Agreement between results obtained with chemical spot test and FT-IR in the pure stone group.

Pure stones
Substances detected
( )
Agreement ( )Partial agreement ( )Disagreement ( )

Calcium oxalate monohydrate (14)1031
Anhydrous uric acid (6)006
Cystine (2)110
Atazanavir (1)001

Total (23)11 (47.8%)4 (17.4%)8 (34.8%)