Table 2.
Univariate subdistribution hazard ratios for predictors of intervention for or death from critical limb ischemia
| 95% Confidence Interval | p-value | |||
|---|---|---|---|---|
| SHR | Lower | Upper | ||
| Agea | 1.79 | 1.21 | 2.84 | 0.002 |
| Male | 0.85 | 0.25 | 2.84 | 0.79 |
| Time since starting HDb | 1.00 | 0.997 | 1.00 | 0.83 |
| Smokingc | 2.78 | 0.95 | 8.2 | 0.06 |
| Diabetes Mellitus | 8.74 | 2.0 | 38.2 | 0.004 |
| PAD | 4.95 | 1.72 | 14.2 | 0.003 |
| History of CVD | 4.51 | 1.44 | 14.1 | 0.01 |
| Serum albumind | 0.36 | 0.08 | 1.56 | 0.17 |
| Serum calciume | 0.91 | 0.44 | 1.87 | 0.8 |
| Serum phosphatee | 1.16 | 0.73 | 1.85 | 0.54 |
| Serum LDL-Cf | 0.90 | 0.73 | 1.10 | 0.31 |
| Serum intact PTHg | 1.00 | 0.99 | 1.00 | 1.00 |
| Serum β2-microglobulin h | 1.05 | 0.96 | 1.15 | 0.3 |
| Hemoglobind | 0.89 | 0.51 | 1.54 | 0.67 |
| IDHi | 3.73 | 1.26 | 11.0 | 0.02 |
| IDWGj | 1.18 | 0.80 | 1.75 | 0.40 |
| Kt/V ureak | 1.47 | 0.33 | 6.56 | 0.62 |
ahazard ratio per 1 year; bhazard ratio per 12 months; cincludes current smokers and ex-smokers; dhazard ratio per 1.0 g/dL; ehazard ratio per 1.0 mg/dL; fhazard ratio per 10 mg/dL; ghazard ratio per 1 pg/mL; hhazard ratio per 1.0 mg/L; icategorical variables; jhazard ratio per 1%; khazard ratio per 1. The reference category was the group without IDH during the study period. Abbreviations: CVD cardiovascular disease; IDH intradialytic hypotension; IDWG interdialytic weight gain; LDL-C low-density lipoprotein cholesterol; PAD peripheral arterial disease; PTH parathyroid hormone; SHR subdistribution hazard ratio