Table 4.
Multivariable Poisson regression and relative rate of all-cause hospitalization in patients on peritoneal dialysis (n=9947)
| Variable | Relative Rate (95% Confidence Interval) | P Value |
|---|---|---|
| For-profit | 1.07 (0.97 to 1.17) | 0.16 |
| Region | ||
| Northeast | 1.31 (1.19 to 1.40) | <0.001 |
| South | 1.26 (1.17 to 1.36) | <0.001 |
| Midwest | 1.25 (1.15 to 1.35) | <0.001 |
| West | Reference | |
| Age (yr) | ||
| 18–44 | 1.20 (1.11 to 1.29) | <0.001 |
| 45–64 | Reference | |
| 65–74 | 1.04 (0.98 to 1.11) | 0.23 |
| 75–84 | 1.15 (1.06 to 1.23) | <0.001 |
| ≥85 | 1.46 (1.25 to 1.69) | <0.001 |
| Male | 0.88 (0.84 to 0.93) | <0.001 |
| Race | ||
| Black | 1.12 (1.06 to 1.20) | <0.001 |
| Other | 0.74 (0.65 to 0.84) | <0.001 |
| White | Reference | |
| Hispanic | 0.89 (0.81 to 0.96) | 0.005 |
| Congestive heart failure | 1.24 (1.17 to 1.32) | <0.001 |
| Atherosclerotic heart disease | 1.05 (0.98 to 1.12) | 0.14 |
| Cerebrovascular disease | 1.09 (0.99 to 1.20) | 0.07 |
| Peripheral vascular disease | 1.08 (1.00 to 1.17) | 0.04 |
| Hypertension | 0.87 (0.81 to 0.94) | <0.001 |
| History of amputation | 1.11 (0.93 to 1.33) | 0.23 |
| Diabetes mellitus | 1.44 (1.37 to 1.52) | <0.001 |
| Chronic obstructive pulmonary disease | 1.25 (1.14 to 1.38) | <0.001 |
| Tobacco use, current smoker | 1.11 (1.02 to 1.22) | 0.02 |
| Cancer | 1.12 (1.01 to 1.24) | 0.04 |
| Inability to ambulate or transfer | 1.46 (1.23 to 1.74) | <0.001 |
| Residence in a skilled nursing facility, assisted living, or other | 1.22 (0.97 to 1.52) | 0.08 |
| Prior nephrology care | ||
| Yes | 0.97 (0.90 to 1.04) | 0.35 |
| Unknown | 1.01 (0.90 to 1.14) | 0.88 |
| No | Reference | |
| Estimated GFR (per 5 ml/min per 1.73 m2) | 1.04 (1.02 to 1.07) | 0.001 |
Data are adjusted for all variables shown.