Table 2.
Correlations between clinical parameters and respective BMD.
| Lumbar spine | Femoral neck | |||
|---|---|---|---|---|
| r | p-value | r | p-value | |
| Sex male, n (%) | 0.356 | 0.011 | 0.416 | 0.003 |
| Age (years) | −0.266 | 0.062 | −0.275 | 0.053 |
| HD duration (year) | −0.231 | 0.106 | −0.311 | 0.027 |
| Past medical history, n (%) | ||||
| Hypertension | 0.283 | 0.046 | 0.178 | 0.216 |
| Diabetes mellitus | 0.330 | 0.019 | 0.178 | 0.216 |
| Bone fracture | −0.227 | 0.112 | −0.258 | 0.078 |
| Ischemic heart disease | −0.147 | 0.308 | −0.005 | 0.970 |
| Body mass index (kg/m2) | 0.435 | 0.002 | 0.270 | 0.058 |
| Systolic BP (mmHg) | 0.051 | 0.725 | −0.078 | 0.591 |
| Diastolic BP (mmHg) | −0.178 | 0.217 | −0.195 | 0.175 |
| Heart rate (/min) | −0.105 | 0.486 | −0.172 | 0.232 |
| Albumin (g/dL) | 0.037 | 0.800 | 0.046 | 0.750 |
| Serum sodium (mEq/L) | −0.065 | 0.652 | −0.261 | 0.167 |
| Serum potassium (mEq/L) | −0.199 | 0.166 | 0.018 | 0.899 |
| Serum calcium (mg/dL) | 0.111 | 0.443 | 0.061 | 0.675 |
| Serum phosphate (mg/dL) | 0.054 | 0.707 | 0.107 | 0.461 |
| BUN (mg/dL) | −0.052 | 0.718 | 0.072 | 0.620 |
| Cr (mg/dL) | 0.227 | 0.113 | 0.301 | 0.034 |
| Hb (g/dL) | −0.011 | 0.939 | −0.036 | 0.802 |
| Total cholesterol (mg/dL) | 0.096 | 0.508 | 0.111 | 0.443 |
| Triglyceride (mg/dL) | 0.298 | 0.035 | 0.278 | 0.051 |
| C-reactive protein (mg/dL) | 0.036 | 0.801 | −0.005 | 0.972 |
| intact PTH (pg/mL) | −0.017 | 0.905 | −0.182 | 0.205 |
| ALP (U/L) | −0.075 | 0.606 | −0.209 | 0.146 |
| BAP (μg/mL) | −0.210 | 0.143 | −0.233 | 0.103 |
| TRACP-5b (mU/dL) | −0.199 | 0.180 | −0.419 | 0.002 |
| ucOC (ng/mL) | −0.175 | 0.223 | −0.382 | 0.006 |
| total P1NP (ng/mL) | −0.145 | 0.314 | −0.380 | 0.006 |
| Grip strength (kg) | 0.471 | 0.001 | 0.507 | <0.001 |
| Skeletal muscle mass index (kg/m2) | 0.578 | <0.001 | 0.560 | <0.001 |
HD, hemodialysis; BP, blood pressure; BUN, blood urea nitrogen; Cr, creatinine; Hb, hemoglobin; PTH, parathyroid hormone; ALP, alkaline phosphatase; BAP, bone specific alkaline phosphatase; TRACP-5b, tartrate-resistant acid phosphatase 5b; ucOC, undercarboxylated osteocalcin; P1NP, N-terminal propeptide of type I procollagen; BMD, bone mineral density.