Table 3.
Multivariable Poisson regression and relative rate of all-cause hospitalization in patients on hemodialysis (n=140,132)
| Variable | Relative Rate (95% Confidence Interval) | P Value |
|---|---|---|
| For-profit | 1.15 (1.13 to 1.18) | <0.001 |
| Region | ||
| Northeast | 1.08 (1.05 to 1.10) | <0.001 |
| South | 1.10 (1.08 to 1.12) | <0.001 |
| Midwest | 1.06 (1.04 to 1.09) | <0.001 |
| West | Reference | |
| Age (yr) | ||
| 18–44 | 1.17 (1.15 to 1.19) | <0.001 |
| 45–64 | Reference | |
| 65–74 | 0.99 (0.98 to 1.01) | 0.29 |
| 75–84 | 1.06 (1.04 to 1.08) | <0.001 |
| ≥85 | 1.14 (1.11 to 1.17) | <0.001 |
| Male | 0.83 (0.82 to 0.84) | <0.001 |
| Race | ||
| Black | 0.92 (0.91 to 0.93) | <0.001 |
| Other | 0.84 (0.82 to 0.87) | <0.001 |
| White | Reference | |
| Hispanic | 0.93 (0.91 to 0.94) | <0.001 |
| Congestive heart failure | 1.13 (1.12 to 1.15) | <0.001 |
| Atherosclerotic heart disease | 1.03 (1.02 to 1.05) | <0.001 |
| Cerebrovascular disease | 1.07 (1.05 to 1.09) | <0.001 |
| Peripheral vascular disease | 1.09 (1.07 to 1.11) | <0.001 |
| Hypertension | 0.90 (0.88 to 0.91) | <0.001 |
| History of amputation | 1.11 (1.08 to 1.15) | <0.001 |
| Diabetes mellitus | 1.18 (1.16 to 1.19) | <0.001 |
| Chronic obstructive pulmonary disease | 1.22 (1.20 to 1.24) | <0.001 |
| Tobacco use, current smoker | 1.15 (1.12 to 1.17) | <0.001 |
| Cancer | 1.12 (1.09 to 1.15) | <0.001 |
| Inability to ambulate or transfer | 1.11 (1.08 to 1.13) | <0.001 |
| Residence in skilled nursing facility, assisted living, or other | 1.19 (1.17 to 1.22) | <0.001 |
| Prior nephrology care | ||
| Yes | 0.88 (0.86 to 0.89) | <0.001 |
| Unknown | 1.06 (1.04 to 1.08) | <0.001 |
| No | Reference | |
| Estimated GFR (per 5 ml/min per 1.73 m2) | 1.08 (1.07 to 1.09) | <0.001 |
Data are adjusted for all variables shown.