Table 5.
Cox proportional hazards regression analysis for all-cause mortality
| Variable | Unadjusted Hazard Ratio (95% CI) | P Value | Adjusted Hazard Ratio (95% CI) | P Value |
|---|---|---|---|---|
| Antibiotic lock | 0.36 (0.22 to 0.58) | 0.001 | 0.32 (0.14 to 0.75) | 0.008 |
| Age, yr | 1.28 (1.10 to 1.47) | 0.001 | 1.05 (0.79 to 1.38) | 0.73 |
| Women | 1.03 (0.70 to 1.51) | 0.89 | 0.74 (0.38 to 1.44) | 0.37 |
| Race (black) | 0.72 (0.48 to 1.07) | 0.10 | 0.94 (0.47 to 1.88) | 0.85 |
| Dialysis vintage, mo | 0.90 (0.54 to 1.49) | 0.69 | 1.93 (0.98 to 3.81) | 0.06 |
| Heart failure | 1.38 (0.91 to 2.11) | 0.13 | 1.08 (0.48 to 2.45) | 0.85 |
| Coronary artery disease | 1.24 (0.85 to 1.82) | 0.27 | 0.88 (0.93 to 1.81) | 0.73 |
| Other heart disease | 1.72 (1.16 to 2.56) | 0.007 | 2.12 (0.99 to 4.54) | 0.05 |
| Cerebral vascular disease | 1.70 (1.13 to 2.55) | 0.01 | 1.00 (0.49 to 2.03) | >0.99 |
| Peripheral vascular disease | 1.04 (0.64 to 1.67) | 0.88 | 0.91 (0.40 to 2.08) | 0.82 |
| Hypertension | 0.29 (0.15 to 0.55) | 0.001 | 0.47 (0.15 to 1.50) | 0.20 |
| Diabetes | 0.91 (0.61 to 1.36) | 0.65 | 0.94 (0.47 to 1.89) | 0.86 |
| COPD | 1.31 (0.87 to 1.97) | 0.21 | 1.53 (0.77 to 3.04) | 0.23 |
| Smoker | 0.80 (0.47 to 1.36) | 0.41 | 0.65 (0.26 to 1.63) | 0.36 |
| Cancer | 1.20 (0.75 to 1.92) | 0.45 | 0.97 (0.46 to 2.06) | 0.94 |
| Albumin, g/dl | 0.18 (0.13 to 0.24) | 0.001 | 0.47 (0.25 to 0.86) | 0.01 |
| Calcium (corrected), mg/dl | 1.67 (1.18 to 2.34) | 0.003 | 1.28 (0.88 to 1.87) | 0.20 |
| Phosphorus, mg/dl | 0.87 (0.74 to 1.02) | 0.09 | 1.20 (0.92 to 1.57) | 0.17 |
| Creatinine, mg/dl | 0.72 (0.65 to 0.80) | 0.001 | 0.83 (0.68 to 1.00) | 0.05 |
| Hemoglobin, g/dl | 0.67 (0.58 to 0.78) | 0.001 | 0.87 (0.69 to 1.10) | 0.24 |
| Iron saturation, % | 1.14 (0.93 to 1.38) | 0.20 | 1.12 (0.90 to 1.40) | 0.34 |
| Ferritin, ng/ml | 2.11 (1.43 to 3.12) | 0.001 | 1.04 (0.69 to 1.58) | 0.85 |
| White blood cells, K/μl | 1.18 (1.14 to 1.21) | 0.001 | 1.19 (1.10 to 1.29) | 0.001 |
Hazard ratios are for change of 1 for all except age and iron saturation, where change was 10. COPD, chronic obstructive pulmonary disease.