Table 1 Index admission and patient characteristics of a cohort of prevalent hemodialysis patients admitted at least once while on hemodialysis treatment at Emory or Wake Forest between January 2010 and July 2015, by no, pulmonary edema-related, and other 30-day readmission status
Characteristic | Overall | 30-day readmission status | P* | ||
|---|---|---|---|---|---|
None | Pulmonary edema-related readmission | Any other readmission | |||
N | 1056 | 869 (82.3%) | 84 (8.0%) | 103 (9.8%) | – |
Index admission** characteristic | |||||
Median length of stay (IQR), days | 4 (2–7) | 4 (2–7) | 4 (2–7) | 5 (2–8) | 0.48 |
Pulmonary edema-related (%) | 38.8% | 37.7% | 76.2 | 17.5% | < 0.001 |
Intensive care utilization (%) | 23.9% | 24.3% | 20.2% | 23.3% | 0.74 |
Patient demographics | |||||
Mean (SD) age, years | 60.5 (15.0) | 60.4 (14.9) | 62.4 (15.4) | 58.5 (15.3) | 0.20 |
Female (%) | 47.8% | 47.2% | 50.0% | 51.5% | 0.65 |
Race/ethnicity (%) | 0.14 | ||||
Non-Hispanic white | 33.9% | 33.0% | 45.2% | 32.4% | |
Non-Hispanic black | 63.5% | 64.2% | 54.8% | 64.7% | |
Hispanic or other | 2.6% | 2.8% | 0.0% | 2.9% | |
Patient clinical factors | |||||
Median (IQR) dialysis vintage, years | 1.0 (0.3–3.9) | 1.1 (0.3–3.8) | 1.0 (0.3–4.0) | 0.7 (0.2–4.5) | 0.30 |
History of dialysis non-adherence | 3.4% | 2.6% | 7.1% | 5.8% | 0.02 |
Primary assigned cause of ESRD (%) | > 0.9 | ||||
Diabetes | 40.9% | 41.2% | 38.1% | 39.8% | |
Hypertension | 27.6% | 27.3% | 29.8% | 28.2% | |
Glomerulonephritis | 11.4% | 11.3% | 13.1% | 10.7% | |
Other | 20.2% | 20.2% | 19.1% | 21.4% | |
Comorbid conditions (%): | |||||
Diabetes | 59.8% | 60.3% | 54.8% | 60.2% | 0.62 |
Ischemic heart disease | 27.3% | 27.1% | 34.5% | 23.3% | 0.22 |
Hypertension | 98.9% | 98.8% | 98.8% | 100% | 0.71 |
Congestive heart failure | 42.4% | 40.8% | 73.8% | 28.2% | < 0.001 |