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) | 10 | 3 | 1 | Anhydrous uric acid (6) | 0 | 0 | 6 | Cystine (2) | 1 | 1 | 0 | Atazanavir (1) | 0 | 0 | 1 |
| Total (23) | 11 (47.8%) | 4 (17.4%) | 8 (34.8%) |
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