Table 5.
Comparison of HR-pQCT parameters in the distal radius between stage CKD 4–5 and CKD stage 5 D groups.
| Parameter | CKD stage 4–5 group (n = 25) | CKD stage 5D group (n = 15) | p Value |
|---|---|---|---|
| Total vBMD (mg/cm3) | 287 ± 59 | 272 ± 70 | 0.37 |
| Ct.vBMD (mg/cm3) | 874 ± 47 | 851 ± 97 | 0.53 |
| Ct.Th (mm) | 1.11 ± 0.19 | 0.99 ± 0.25 | 0.11 |
| Ct.Ar (mm2) | 77 ± 21 | 64 ± 12 | 0.02 |
| Ct.Pm (mm) | 83 ± 9 | 82 ± 14 | 0.42 |
| Ct.Po (%) | 1.5 ± 0.7 | 1.3 ± 0.8 | 0.40 |
| Ct.Po.Dm (mm) | 0.20 ± 0.03 | 0.20 ± 0.02 | 1.00 |
| Tb.vBMD (mg/cm3) | 154 ± 43 | 132 ± 44 | 0.19 |
| Tb.BV/TV (%) | 22 ± 6 | 19 ± 6 | 0.16 |
| Tb.N (1/mm) | 1.29 ± 0.22 | 1.18 ± 0.21 | 0.13 |
| Tb.Th (mm) | 0.24 ± 0.02 | 0.23 ± 0.01 | 0.20 |
| Tb.Sp (mm) | 0.75 ± 0.18 | 0.84 ± 0.19 | 0.13 |
The Wilcoxon rank-sum test was used.
Data presented as mean ± standard deviation.
CKD: chronic kidney disease; vBMD: volumetric bone mineral density; Ct.vBMD: cortical volumetric bone mineral density; Ct.Th: cortical thickness; Ct.Ar: cortical area; Ct.Pm: cortical perimeter; Ct.Po: cortical porosity; Ct.Po.Dm: cortical pore diameter; Tb.vBMD: trabecular volumetric bone mineral density; Tb.BV/TV: trabecular bone volume fraction; Tb.N: trabecular number; Tb.Th: trabecular thickness; Tb.Sp: trabecular separation.