Table 2.
Characteristics of index hospitalization, rehospitalization, and emergency department visits among chronic hemodialysis recipients rehospitalized or visiting the emergency department after discharge from a hospital stay for a medical indication
| Characteristic | Value |
|---|---|
| No. of chronic hemodialysis recipients with at least one acute medical hospitalization (2003–2011)a | 11,177 |
| Hemodialysis recipient outcomes (30 d after index hospitalization) | |
| Rehospitalization | 1926 (17.2) |
| Emergency department visit | 2971 (26.6) |
| Death | 840 (7.5) |
| Features of the index hospitalization (N=11,177) | |
| Length of stay (d) | 5 (2–10) |
| Five most common diagnosesb | Complications of cardiac and vascular prosthetic devices, implants, and grafts; complications of type 2 diabetes mellitus; heart failure; pneumonia, organism unspecified; and acute myocardial infarction |
| Features of the rehospitalization (n=1 926) | |
| No. of days between index hospitalization discharge and rehospitalization | 11 (15–19) |
| Rehospitalization at the same institution as the index hospitalization | 1567 (81.4) |
| Most responsible diagnosis for rehospitalization the same as for the index hospitalization | 343 (17.8) |
| Five most common diagnosesb | Complications of type 2 diabetes mellitus; heart failure; other septicemia; acute myocardial infarction; and complications of cardiac and vascular prosthetic devices, implants, and grafts |
| Features of the emergency department visit (n=2971) | |
| No. of days between index hospitalization discharge and emergency department visit | 11 (5–19) |
| Emergency department visit to same hospital as discharging hospital | 2203 (74.2) |
| Emergency department visit to same hospital as dialysis unit | 1467 (49.4) |
| Discharge disposition | |
| Discharged (i.e., treat-and-release visit) | 1540 (51.8) |
| Admitted to hospital | 1378 (46.4) |
| Died | 53 (1.8) |
| Most responsible diagnosis for emergency department visit the same as for the index hospitalization | 246 (8.3) |
| Five most common diagnosesb | Heart failure; pain in throat and chest; abdominal and pelvic pain; abnormalities of breathing; and pneumonia, organism unspecified |
Data are presented as n (%) or median (IQR). ICD-10, International Classification of Diseases, 10th Revision.
a
Hemodialysis recipients with more than one hospitalization had a single hospitalization randomly selected and designated the index hospitalization.
b
Using the first three digits of the most responsible ICD-10 code.