Table 1.
Patient backgrounds
| Characteristics | Control (n=7) | CaOx SFs (n=23) | P Value |
|---|---|---|---|
| General | |||
| Age, y | 56±18 | 59±13 | NSa |
| Gender, M/F | 4:3 | 14, 9 | NSc |
| Side, Rt/Lt | 3:4 | 13, 10 | NSc |
| BMI, kg/m2 | 22.1±2.9 | 23.3±4.7 | NSa |
| Stone | |||
| Stone composition | |||
| CaOx, % | — | 91.4±9.1 | — |
| CaP, % | — | 5.5±7.5 | — |
| Stone volume, mm3 | — | 761±1528 | — |
| Stone density, HU | — | 820±375 | — |
| Hydronephrosis, grade 0,I,II | 5,1,1 | 12, 6, 5 | NSd |
| Serum | |||
| BUN, mg/dl | 12.8±3.7 | 14.5±3.8 | NSb |
| Cre, mg/dl | 0.9±0.4 | 0.9±0.2 | NSb |
| Ca, mg/dl | 9.4±0.7 | 9.4±0.6 | NSb |
| P, mg/dl | 3.2±1.0 | 3.1±0.3 | NSb |
| UA, mg/dl | 4.9±1.2 | 5.8±1.6 | NSb |
| WBC, cells/μl | 6514±1748 | 6783±1853 | NSb |
| CRP, mg/dl | 1.9±1.7 | 0.3±0.1 | NSb |
| Urine | NSb | ||
| pH | 6.8±0.6 | 6.6±0.7 | NSb |
| WBC, cells/HPF | 9±10 | 19±28 | NSb |
| RBC, cells/HPF | 16±37 | 19±29 | NSb |
Data are presented as the mean±SD. Grade of hydronephrosis was categorized by Society for Fetal Urology. NS, not significant; M, male; F, female; Rt, right; Lt, left; BMI, body mass index; —, inapplicable data; HU, Hounsfield unit; BUN, blood urea nitrogen; Cre, creatinine; Ca, calcium; P, phosphorus; UA, uric acid; WBC, white blood cell; CRP, c-reactive protein; HPF, high power field; RBC, red blood cell.
a
Statistical analyses performed by t test.
b
Statistical analyses performed by Mann–Whitney U test.
c
Statistical analyses performed by Fisher exact test.
d
Statistical analyses were performed by Kruskal–Wallis test.