Table 2.
Associations between postdialysis weight >1.0 kg above target weight in ≥30% versus <30% of exposure period treatments and 7-, 14-, and 30-day hospital encounters
| Outcome | Postdialysis Weight >1.0 kg above Target Weight during the Exposure Period in ≥30% versus <30% of Treatments (ref.) | ||
|---|---|---|---|
| Adjusted Risk Difference, % (95% CI) | Adjusted Incidence Rate Difference per 100 person-yr (95% CI) | Adjusted Risk Ratio (95% CI) | |
| All-cause ED visits | |||
| 7-d Follow-up | 0.71 (0.61 to 0.82) | 38.82 (33.68 to 44.86) | 1.14 (1.12 to 1.17) |
| 14-d Follow-up | 1.24 (1.12 to 1.37) | 35.62 (32.25 to 39.47) | 1.14 (1.12 to 1.15) |
| 30-d Follow-up | 2.13 (2.00 to 2.32) | 31.74 (29.76 to 34.53) | 1.13 (1.12 to 1.14) |
| All-cause hospitalizations | |||
| 7-d Follow-up | 0.43 (0.35 to 0.52) | 23.19 (18.85 to 27.60) | 1.14 (1.11 to 1.17) |
| 14-d Follow-up | 0.85 (0.73 to 0.95) | 23.43 (20.27 to 26.38) | 1.14 (1.13 to 1.16) |
| 30-d Follow-up | 1.47 (1.34 to 1.62) | 20.46 (18.64 to 22.45) | 1.13 (1.12 to 1.14) |
| Cardiovascular hospitalizations | |||
| 7-d Follow-up | 0.11 (0.07 to 0.15) | 5.70 (3.60 to 7.91) | 1.12 (1.07 to 1.17) |
| 14-d Follow-up | 0.17 (0.12 to 0.24) | 4.61 (3.24 to 6.45) | 1.10 (1.07 to 1.14) |
| 30-d Follow-up | 0.31 (0.24 to 0.40) | 3.95 (3.07 to 5.05) | 1.09 (1.07 to 1.11) |
| Volume-related hospitalizations | |||
| 7-d Follow-up | 0.06 (0.04 to 0.09) | 3.11 (1.91 to 4.48) | 1.17 (1.10 to 1.25) |
| 14-d Follow-up | 0.07 (0.04 to 0.11) | 1.90 (1.00 to 2.92) | 1.11 (1.05 to 1.17) |
| 30-d Follow-up | 0.15 (0.11 to 0.21) | 1.90 (1.36 to 2.61) | 1.11 (1.08 to 1.15) |
Adjusted risk differences are percentages (%). The null value for a risk difference is 0.00%, the null value for an incidence rate difference is 0.00, and the null value for a risk ratio is 1.00. 95% CI, 95% confidence interval; ED, emergency department; ref., referent.