Table 4.
Analysis of PD catheter survival with various covariates according to Cox proportional hazard model
| Variable | Beta Estimate |
SE | Chi-square (p-value) |
Hazard Ratio (HR) |
95% Confidence Interval for HR |
|---|---|---|---|---|---|
| Age | 0.017 | 0.01 | 1.29 (0.256) | 1.017 | 0.997, 1.037 |
| Gender | 0.28 (0.594) | 1.256 | |||
| Female | 0.228 | 0.43 | 0.541, 2.918 | ||
| Race | 0.65 (0.885) | ||||
| Hispanic | 0.463 | 1.10 | 1.589 | 0.184, 13.722 | |
| White | 0.689 | 1.06 | 1.992 | 0.249, 15.904 | |
| African American | 0.408 | 1.05 | 1.504 | 0.192, 11.775 | |
| BMI | 0.014 | 0.03 | 0.26 (0.609) | 1.013 | 0.956, 1.076 |
| Etiology of ESRD (Diabetes) |
0.545 | 0.42 | 1.70 (0.193) | 1.724 | 0.757, 3.928 |
| Co-morbidities | −0.066 | 0.20 | 0.11 (0.743) | 0.745 | 0.633, 1.385 |
| Previous Abdominal Surgeries |
0.000 | 0.14 | 0.00 (0.999) | 1.000 | 0.760, 1.316 |
| Peritoneal Infections | 3.57 (0.168) | ||||
| 1 Infection | −0.858 | 0.63 | 0.424 | 0.123, 1.458 | |
| 2 or more infections |
−0.847 | 0.63 | 0.429 | 0.125, 1.474 | |
| Exit-site/ Tunnel Infection |
−0.193 | 0.51 | 0.151 (0.698) | 0.825 | 0.303, 2.240 |
| Non-infectious Catheter Problem |
3.112 | 0.62 | 42.71 (<0.001) |
22.467 | 6.665, 75.732 |