Poster #92. Table 1.
Baseline demographics and clinical variables of bilateral and unilateral kidney stone formers from the Wisconsin Stone Quality of Life database from 2014–2019
| Bilateral (n=1566) | Unilateral (n=1340) | p | |
|---|---|---|---|
| Age (yr), median | 55.4 | 56.9 | >0.05 |
| Ethnicity, n (%) | |||
| Caucasian | 1316 (85.4) | 1054 (79.8) | <0.05 |
| Non-caucasian | 225 (14.4) | 266 (19.9) | |
| Age of onset (yr), median (SD) | 37.2 (15.8) | 47 (15.9) | <0.05 |
| WISQOL score (points), median (SD) | 103.9 (29.9) | 106.7 (30.2) | <0.05 |
| BMI, mean (%) | 30.3 | 29.8 | >0.05 |
| Number of events, n (%) | <0.05 | ||
| Single (0–1) | 121 | 583 | |
| Recurrent (2–5) | 679 | 490 | |
| Severe recurrent (≥6) | 581 | 121 | |
| Number of medications, mean, SD | 1.86 (±1.76) | 1.56 (±1.63) | <0.001 |
| Number of comorbidities | <0.05 | ||
| 0 | 339 | 339 | |
| 1–2 | 720 | 592 | |
| 3–4 | 355 | 296 | |
| ≥5 | 152 | 113 | |
| Stone composition | >0.05 | ||
| Calcium oxalate | 335 | 262 | |
| Calcium phosphate | 81 | 61 | |
| Uric acid | 43 | 43 | |
| Mixed | 80 | 58 |
*
Non-standardized WISQOL score was used (min–max is 28–140).