Table 3.
Univariate and Multivariate Cox Regression Analyses to Predict Cardiovascular Mortality
| Univariate Regression | Multivariate Regression | |||
|---|---|---|---|---|
| HR (95% CI) | P Value | HR (95% CI) | P Value | |
| Age, y | 1.058 (1.013–1.105) | 0.011 | … | … |
| Sex | 1.209 (0.500–2.290) | 0.673 | … | … |
| DM | 1.844 (0.713–4.768) | 0.207 | … | … |
| HTN | 2.282 (0.304–17.112) | 0.422 | … | … |
| PD, Kt/V | 1.346 (0.479–3.782) | 0.573 | … | … |
| PD duration, mo | −0.003 (0.988–1.007) | 0.605 | … | … |
| Creatinine, mg/dL | 0.885 (0.741–1.058) | 0.180 | … | … |
| TGs, mg/dL | 0.999 (0.996–1.002) | 0.485 | … | … |
| T‐Chol, mg/dL | 0.993 (0.983–1.003) | 0.163 | … | … |
| LDL, mg/dL | 1.002 (0.992–1.013) | 0.678 | … | … |
| HDL, mg/dL | 0.966 (0.924–1.009) | 0.120 | … | … |
| Glucose AC, mg/dL | 1.007 (0.997–1.017) | 0.196 | … | … |
| HbA1c, % | 1.479 (1.008–2.170) | 0.046 | … | … |
| CRP, mg/dL | 1.032 (0.847–1.259) | 0.753 | … | … |
| LVEF, % | 0.965 (0.939–0.992) | 0.010 | … | … |
| Mean R‐R interval, ms | 1.001 (0.997–1.004) | 0.749 | … | … |
| SDRR, ms | 0.992 (0.971–1.014) | 0.475 | … | … |
| pNN20, % | 0.998 (0.966–1.030) | 0.881 | … | … |
| pNN50, % | 1.000 (0.936–1.069) | 0.994 | … | … |
| VLF, ms2 | 0.999 (0.998–1.000) | 0.040 | … | … |
| LF, ms2 | 0.995 (0.991–1.000) | 0.058 | … | … |
| HF, ms2 | 0.999 (0.995–1.003) | 0.692 | … | … |
| LF/HF ratio | 0.537 (0.339–0.851) | 0.008 | … | … |
| TP, ms2 | 0.999 (0.998–1.000) | 0.044 | … | … |
| TO of HRT | 25 574 (0.145–4.5×109) | 0.100 | … | … |
| TS of HRT | 0.826 (0.704–0.969) | 0.019 | … | … |
| DC, ms | 0.788 (0.601–1.034) | 0.085 | … | … |
| DFAα1 | 0.071 (0.017–0.290) | <0.001 | 0.076 (0.016–0.366) | 0.001 |
| DFAα2 | 25.232 (0.439–1449) | 0.118 | … | … |
| Slopes 1–5 | 0.001 (<0.001–0.238) | 0.015 | … | … |
| Scale 5 | 0.061 (0.011–0.320) | 0.001 | … | … |
| Area 1–5 | 0.598 (0.414–0.864) | 0.006 | 0.645 (0.447–0.930) | 0.019 |
| Area 6–20 | 0.858 (0.774–0.951) | 0.003 | … | … |
CRP indicates C‐reactive protein; DC, deceleration capacity; DFA, detrended fluctuation analysis; DM, diabetes mellitus; HbA1c, hemglobin A1c; HDL, high‐density lipoprotein; HF, high frequency; HR, hazard ratio; HRT, heart rate turbulence; HTN, hypertension; LDL, low‐density lipoprotein; LF, low frequency; LVEF, left ventricular ejection fraction; PD, peritoneal dialysis; pNN20, percentage of the absolute change in consecutive normal R‐R interval >20 ms; pNN50, percentage of the absolute change in consecutive normal R‐R interval >50 ms; SDRR, standard deviation of normal R‐R intervals; T‐Chol, total cholesterol; TGs, triglycerides; TO, turbulence onset; TP, total power; TS, turbulence slope; VLF, very low frequency. Glucose AC, fasting blood glucose; Kt/V, urea clearance, normalized for total body water.