Table 3. Relation of study groups to cardiovascular mortality using Cox proportional hazards model.
| Parameters | Univariable |
Multivariable |
||
|---|---|---|---|---|
| HR (95% CI) | p | HR (95% CI) | p | |
| Study groups | ||||
| ABI ≥ 0.95 and AoAC ≤ 4 | 1 | 1 | ||
| ABI ≥ 0.95 and AoAC > 4 | 1.369 (0.327–5.728) | 0.667 | 0.725 (0.137–3.837) | 0.705 |
| ABI < 0.95 and AoAC ≤ 4 | 2.713 (0.785–9.378) | 0.115 | 2.495 (0.686–9.071) | 0.165 |
| ABI < 0.95 and AoAC > 4 | 5.898 (2.041–17.041) | 0.001 | 3.531 (1.070–11.652) | 0.038 |
| Age tertile (year) | ||||
| <53 | 1 | 1 | ||
| 53–63 | 4.448 (0.961–20.589) | 0.056 | 3.333 (0.694–16.015) | 0.133 |
| ≥63 | 7.180 (1.617–31.892) | 0.010 | 2.195 (0.427–11.289) | 0.347 |
| Male gender | 1.257 (0.565–2.798) | 0.576 | — | — |
| Duration of dialysis (per 1 year) | 1.291 (0.460–3.627) | 0.628 | — | — |
| Diabetes mellitus | 2.862 (1.252–6.543) | 0.013 | 1.335 (0.542–3.288) | 0.529 |
| Hypertension | 1.882 (0.643–5.506) | 0.248 | — | — |
| Coronary artery disease | 2.502 (1.094–5.723) | 0.030 | 1.343 (0.536–3.366) | 0.529 |
| Cerebrovascular disease | 2.499 (0.852–7.327) | 0.095 | — | — |
| Systolic blood pressure (per 1 mmHg) | 1.007 (0.993–1.021) | 0.313 | — | — |
| Diastolic blood pressure (per 1mmHg) | 0.998 (0.974–1.024) | 0.896 | — | — |
| CTR > 50% | 1.945 (0.806–4.692) | 0.139 | — | — |
| Body mass index (per 1 kg/m2) | 0.995 (0.891–1.110) | 0.924 | — | — |
| Laboratory parameters | ||||
| Albumin (per 0.1 g/dL) | 0.772 (0.679–0.877) | <0.001 | 0.813 (0.676–0.977) | 0.027 |
| Triglyceride (per 1 mg/dL) | 0.995 (0.989–1.001) | 0.128 | — | — |
| Total cholesterol (per 1 mg/dL) | 0.985 (0.974–0.997) | 0.012 | 0.988 (0.974–1.001) | 0.068 |
| HDL-cholesterol (per 1 mg/dL) | 0.983 (0.945–1.023) | 0.395 | — | — |
| LDL-cholesterol (per 1 mg/dL) | 0.992 (0.977–1.006) | 0.247 | — | — |
| Hemoglobin (per 1 g/dL) | 0.807 (0.587–1.108) | 0.184 | — | — |
| Creatinine (per 1 mg/dL) | 0.820 (0.679–0.989) | 0.038 | — | — |
| Total calcium (per 1 mg/dL) | 0.918 (0.592–1.424) | 0.703 | — | — |
| Phosphorous (per 1 mg/dL) | 1.106 (0.797–1.535) | 0.547 | — | — |
| Calcium-phosphorous product (per 1 mg2/dL2) | 1.009 (0.976–1.044) | 0.586 | — | — |
| iPTH (per 1 pg/mL) | 1.983 (0.727–5.408) | 0.181 | — | — |
| Uric acid (per 1 mg/dL) | 0.928 (0.702–1.228) | 0.603 | — | — |
| Kt/V (per 1) | 0.204 (0.039–1.056) | 0.058 | — | — |
Values express as hazard ratios (HR) and 95% confidence interval (CI). Abbreviations are same as Table 1.