Table 3 Independent predictors of patency failure risk after 180 day follow up using the Cox regression model with 82 patients after percutaneous transluminal angioplasty.
| Variable | p Value | RR | 95% CI | |
|---|---|---|---|---|
| Lower | Upper | |||
| Age | 0.638 | 1.006 | 0.983 | 1.029 |
| I‐PTH | 0.450 | 0.999 | 0.998 | 1.001 |
| Cholesterol | 0.802 | 0.999 | 0.994 | 1.005 |
| URR* | 0.009 | 1.056 | 1.014 | 1.100 |
| Calcium | 0.123 | 0.396 | 0.122 | 1.285 |
| Phosphate | 0.060 | 0.197 | 0.036 | 1.069 |
| Ca–P* | 0.042 | 1.217 | 1.007 | 1.471 |
| Albumin* | 0.001 | 0.317 | 0.162 | 0.620 |
| Triglyceride | 0.101 | 0.946 | 0.885 | 1.011 |
Ca–P, serum calcium–phosphate product; CI, confidence interval; I‐PTH, intact parathyroid hormone; RR, relative risk; URR, urea reduction ratio.
*p<0.05.