- Laboratory and radiological findings according to metabolic group.
| Characteristics | Hypercalciuria | Hyperoxaluria | Cystinuria | Hyperuricosuria | P-value |
|---|---|---|---|---|---|
| mean±SD | |||||
| Laboratory urine results (mmol/mmol) | |||||
| Calcium/creatinine | 1.59±0.68 | 1.12±1.57 | 2.06±6.87 | 0.84±0.79 | 0.899 |
| Oxalate/creatinine | 0.24±0.02 | 26.51±67.09 | 0.03±0.02 | 0.04±0.03 | 0.186 |
| Cysteine/creatinine | 5.73±4.68 | 6.21±6.19 | 132.03±70.60 | 46.32±63.80 | <0.001 |
| Citrate/creatinine | 2.92±2.33 | 7.57±13.83 | 5.49±6.73 | 12.19±8.29 | 0.36 |
| Uric acid/creatinine | 0.34±0.19 | 0.35±0.19 | 0.40±0.23 | 2.12±1.34 | <0.001 |
| Radiology findings, n (%) | |||||
| Stones | 11 (84.6) | 16 (80) | 17 (100) | 3 (100) | 0.211 |
| Nephrocalcinosis | 2 (15.4) | 4 (20) | 0 (0.0) | 0 (0.0) | |
| Stone number, n (%) | |||||
| Single stone | 4 (36.4) | 4 (25) | 4 (23.5) | 1 (33.3) | 0.860 |
| Multiple stones | 7 (63.6) | 12 (75) | 13 (76.5) | 2 (66.7) | |
| Stone locations, n (%) | |||||
| Kidney | 19 (90.9) | 12 (75) | 6 (35.3) | 3 (100) | 0.006 |
| Bladder | 0 (0.0) | 2 (12.5) | 16 (94.1) | 0 (0.0) | <0.001 |
| Ureteric | 2 (18.2) | 7 (43.8) | 5 (29.4) | 0 (0.0) | 0.399 |
SD: standard deviation