Table 1.
Clinical characteristics
| Characteristic | ICSFs with High Plaque (n=10) | ICSFs with Low Plaque (n=32) | P Value |
|---|---|---|---|
| Age (yr) | 61±7 | 62±10 | 0.78 |
| Men, n (%) | 6 (60) | 8 (25) | 0.06 |
| BMI (kg/m2) | 27±2.5 | 31±7.6 | 0.11 |
| BMI≥30 kg/m2, n (%) | 1 (10) | 16 (50) | 0.03 |
| History of prior stone events, n (%) | 10 (100) | 21 (66) | 0.04 |
| Prior stone events ≥4, n (%) | 8 (80) | 7 (22) | 0.002 |
| History of UTI, n (%) | 0 (0) | 11 (34) | 0.04 |
| Hypertension, n (%) | 4 (40) | 13 (42) | 0.92 |
| Diabetes mellitus, n (%) | 1 (10) | 10 (31) | 0.25 |
Values expressed with a plus/minus sign are the mean±SD. P value was from two-sample ttest or two-tail Fisher exact test. BMI, body mass index; UTI, urinary tract infection; ICSF, idiopathic calcium oxalate stone-former.