Table 2.
Differences in the detection of calcium oxalate crystals in various clinical phenotypes (n=92).
| Characteristics | Calcium oxalate mixed carbonate apatite (n=43) | Calcium oxalate mixed uric acid calculus (n=7) | Calcium oxalate calculus (n=42) | p-Value |
|---|---|---|---|---|
| Gender, n (%) | 0.659 | |||
| Male | 30 (32.6) | 6 (6.5) | 29 (31.5) | |
| Female | 13 (14.1) | 1 (1.1) | 13 (14.1) | |
| Age, year, n (%) | 0.040 | |||
| ≤52 | 27 (29.3) | 2 (2.2) | 16 (17.4) | |
| >52 | 16 (17.4) | 5 (5.4) | 26 (28.3) | |
| Stone location, n (%) | 0.023 | |||
| Kidney and ureter | 12 (13.0) | 0 (0) | 18 (19.6) | |
| Ureter | 13 (14.1) | 2 (2.2) | 3 (3.3) | |
| Kidney | 18 (19.6) | 5 (5.4) | 21 (22.8) | |
| History, n (%) | 0.040 | |||
| First | 30 (32.6) | 2 (2.2) | 32 (34.8) | |
| Recrudescence | 13 (14.1) | 5 (5.4) | 10 (10.9) |